{"title":"Premium Aluminum Linear Slot Diffuser","description":"","products":[{"product_id":"6x6-aluminum-linear-slot-diffuser","title":"6x6 White Premium Aluminum Linear Slot Diffuser – Modern Design (Duct Opening)","description":"\u003cp\u003e⚠️ \u003cstrong\u003eCHECK SIZE BEFORE PURCHASE:\u003c\/strong\u003e This 6x6 linear slot diffuser fits a \u003cstrong\u003e6\" × 6\" duct opening\u003c\/strong\u003e (the hole in your wall, ceiling, or floor — not your old cover face). \u003ca href=\"#gv-sizing-guide\"\u003eSee the full 6x6 sizing guide →\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits a 6\" × 6\" duct opening\u003c\/strong\u003e — measure the hole, not your old cover face.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop-in surface-mount replacement\u003c\/strong\u003e — no drywall, flooring, or duct modification required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern minimalist slot design\u003c\/strong\u003e for contemporary interiors and cleaner visual lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid alloy aluminum\u003c\/strong\u003e — rust-resistant, durable, and zero plastic parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall, ceiling, or low-traffic floor compatible\u003c\/strong\u003e — one diffuser, multiple install scenarios.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-directional adjustable airflow\u003c\/strong\u003e — direct air left, right, both ways, or fully closed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTÜV Rheinland tested\u003c\/strong\u003e — lead-free coating, phthalate-free materials, Prop 65 compliant, and corrosion-resistant finish.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDesigned for modern interiors, engineered for comfort\u003c\/h2\u003e\n\u003cp\u003eUpgrade an existing 6\" × 6\" duct opening with a surface-mount aluminum slot diffuser built for modern American homes. This white surface-mount diffuser installs on walls, ceilings, and low-traffic floors, giving existing duct openings a cleaner, more intentional finish. White finish pairs naturally with white trim, light ceilings, painted walls, Scandinavian interiors, and light wood floors.\u003c\/p\u003e\n\u003ch2\u003eDesigned to upgrade, not to remodel\u003c\/h2\u003e\n\u003cp\u003eInstead of hiding an outdated grille behind furniture or paint, this diffuser turns the vent itself into a more finished architectural detail.\u003c\/p\u003e\n\u003cp\u003eInside: heavy-gauge aluminum, a multi-directional adjustable blade system, and a powder-coated finish made for everyday residential use. Outside: a clean slot profile that looks more refined than a bulky stamped grille.\u003c\/p\u003e\n\u003ch2 id=\"gv-sizing-guide\"\u003eSizing Guide — Will a 6x6 fit your space?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIMPORTANT:\u003c\/strong\u003e Measure the hole in your wall, ceiling, or floor — do not measure your old vent cover.\u003c\/p\u003e\n\u003cp\u003eThis 6x6 aluminum vent cover is designed to fit a standard 6\" × 6\" duct opening (also listed as a 6x6 wall register or 6 x 6 vent cover).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuct opening size:\u003c\/strong\u003e 6\" × 6\" (this is what you measure)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeck size:\u003c\/strong\u003e 5-3\/4\" × 5-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall face size:\u003c\/strong\u003e 7-3\/4\" × 7-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign note:\u003c\/strong\u003e Like all linear slot diffusers, this model has a narrower face panel than many traditional louvered grilles to achieve a cleaner, minimal aesthetic. It may not fully conceal the unpainted area left by an old AC vent cover — a light paint touch-up may be needed for a perfectly finished look.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQuick check:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eRemove your existing vent cover.\u003c\/li\u003e\n\u003cli\u003eMeasure the \u003cem\u003eopening\u003c\/em\u003e in the wall, ceiling, or floor — not the old cover.\u003c\/li\u003e\n\u003cli\u003eIf the opening is approximately 6\" × 6\", this 6x6 linear slot diffuser fits.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eDesigned for modern homes\u003c\/h2\u003e\n\u003cp\u003eThe 6x6 size works well where the duct opening is compact but square—small bedrooms, home offices, walk-in closets, and finished utility spaces. The balanced face shape looks intentional on both walls and ceilings without drawing too much attention.\u003c\/p\u003e\n\u003ch3\u003eOn the wall\u003c\/h3\u003e\n\u003cp\u003eReplaces dated stamped-steel grilles in small bedrooms, home offices, walk-in closets, and compact ceiling openings. The clean slot line helps the HVAC opening blend into the room instead of becoming a visual distraction.\u003c\/p\u003e\n\u003ch3\u003eOn the ceiling\u003c\/h3\u003e\n\u003cp\u003eCreates a low-profile look for finished ceilings, modern condos, kitchens, bathrooms, and basements. Use the included screws for a secure wall or ceiling installation.\u003c\/p\u003e\n\u003ch3\u003eOn the floor\u003c\/h3\u003e\n\u003cp\u003eWorks in low-traffic floor areas where a modern register-style look is preferred. For busy walkways or heavy foot traffic, choose a heavier-duty floor register.\u003c\/p\u003e\n\u003ch2\u003ePremium Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable aluminum body:\u003c\/strong\u003e Built from aluminum for a lightweight but solid feel, with a finish designed for long-term residential use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimalist linear face:\u003c\/strong\u003e The clean slot pattern replaces bulky louvered grilles with a more intentional architectural look.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-directional damper:\u003c\/strong\u003e Fine-tune comfort by adjusting airflow direction without replacing the unit or modifying the duct.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy-care finish:\u003c\/strong\u003e The coated surface can be wiped down with a damp cloth and supports a cleaner look over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTested Safe for Your Home:\u003c\/strong\u003e Independently tested by TÜV Rheinland across 4 safety standards — lead-free surface coating, phthalate-free materials, free of PBT toxic chemicals, and corrosion-resistant finish per ASTM B117 salt spray standard.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e5-Minute Retrofit Installation\u003c\/h2\u003e\n\u003cp\u003eDesigned as a direct replacement for standard 6\" × 6\" duct openings with no structural modification required.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Walls \u0026amp; Ceilings:\u003c\/strong\u003e Mounts with the included screws through pre-drilled hidden side holes. Only a screwdriver and the included adjustment tool are needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Floors:\u003c\/strong\u003e Drop the cover into the existing opening in low-traffic areas. Optional screws may be used for extra hold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Removable:\u003c\/strong\u003e The diffuser can be removed for cleaning, painting, maintenance, or future room updates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe loading=\"lazy\" title=\"Installation guide — Green Vent 6x6 aluminum linear slot diffuser\" src=\"https:\/\/www.youtube.com\/embed\/2NETJ1EgEis\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGreen Vent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum Linear Slot Diffuser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDuct Opening Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6\" × 6\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNeck Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5-3\/4\" × 5-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall Face Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7-3\/4\" × 7-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor \/ Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite \/ Powder-coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAlloy Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShape\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSquare\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation \/ Mounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScrew-In for wall\/ceiling; drop-in for low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAirflow Direction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-directional adjustable: left \/ right \/ both \/ closed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupply air, return air, low-traffic floor register use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Surfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWall, ceiling, low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVietnam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncluded Components\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAdjustable air diffuser bar, Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e1. What size do I order — 6x6 or face size?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOrder by duct opening size. 6x6 means a 6\" × 6\" duct opening—the hole in your wall, ceiling, or floor. The visible face size of this diffuser is 7-3\/4\" × 7-3\/4\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. Is a linear slot diffuser better for modern interiors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor contemporary rooms, yes. The straight slot profile looks cleaner than stamped louvers and pairs well with minimalist walls, ceilings, hardwood floors, and modern trim details.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Can I install this 6x6 vent cover on a ceiling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. This 6x6 linear slot diffuser can be installed on walls, ceilings, or low-traffic floors as long as the duct opening measures 6\" × 6\". Use the included screws for wall and ceiling installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Does it include an adjustable airflow damper?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The built-in adjustment bar lets you direct airflow left, right, evenly to both sides, or fully close the blades to reduce airflow into unused rooms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. Can this diffuser be used for both supply and return air?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt can be used for supply air and many residential return openings. For high-volume returns or filtration needs, choose a dedicated \u003ca href=\"https:\/\/www.greenvent.us\/products\/6x6-air-return-grille-pre-filter\"\u003e6x6 air return grille with pre-filter\u003c\/a\u003e instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. Can I use a filter with this linear slot diffuser?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Standard filters should not be placed behind individual vent covers because they can restrict airflow and strain the HVAC system. Use a return grille with a pre-filter if filtration at the vent is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7. Is the finish paintable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The powder-coated finish is durable as shipped, but it can be lightly sanded, primed, and painted with standard spray paint for custom color matching.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8. Can this be installed outdoors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, in sheltered locations such as covered patios, garages, and enclosed porches. It is not intended for direct rain exposure.\u003c\/p\u003e\n\u003ch2\u003eExplore related Green Vent products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/products\/6x6-air-return-grille-pre-filter\"\u003e6x6 air return grille with pre-filter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/6x6-vent-covers\"\u003e6x6 vent covers collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/white-linear-slot-diffusers\"\u003ewhite linear slot diffusers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/linear-slot-diffuser\"\u003elinear slot diffuser collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/air-vent-covers\"\u003emodern air vent covers\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eStill comparing sizes? Use the duct opening—not the old cover face—as your source of truth, then pick the finish that matches your interior.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"eager\" alt=\"Green Vent 10x6 aluminum linear slot diffuser in white powder-coated finish, front view\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Side angled view of 10x6 white linear slot diffuser showing extruded aluminum profile and slot depth\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_2.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 linear slot diffuser installed on white wall in modern living room\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_3.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 aluminum vent cover mounted on ceiling above contemporary kitchen island\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_4.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 white vent cover installed flush on hardwood floor near baseboard\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_5.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hand measuring 10 inch by 6 inch duct opening with tape measure for sizing reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_6.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Diagram showing duct opening 10 by 6 inches and overall face size 11.75 by 7.75 inches\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_7.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Step-by-step retrofit installation of 10x6 aluminum linear slot diffuser on drywall\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_8.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Close-up of multi-directional adjustable airflow blade on 10x6 linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_9.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hidden side-screw mounting detail on 10x6 white aluminum vent cover\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_10.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"What is in the box - 10x6 linear slot diffuser, mounting screws, and blade adjustment tool\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_11.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"TÜV Rheinland tested certification badge for Green Vent 10x6 aluminum linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_12.jpg?v=1778639719\"\u003e\u003c\/p\u003e","brand":"GREEN VENT","offers":[{"title":"Default Title","offer_id":52347622916468,"sku":"GV.DLS.066N","price":30.23,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/aluminum-white-linear-slot-diffuser-6x6-modern-air-vent-cover.webp?v=1769735688"},{"product_id":"8x4-aluminum-linear-slot-diffuser","title":"8x4 White Premium Aluminum Linear Slot Diffuser – Modern Design (Duct Opening)","description":"\u003cp\u003e⚠️ \u003cstrong\u003eCHECK SIZE BEFORE PURCHASE:\u003c\/strong\u003e This 8x4 linear slot diffuser fits a \u003cstrong\u003e8\" × 4\" duct opening\u003c\/strong\u003e (the hole in your wall, ceiling, or floor — not your old cover face). \u003ca href=\"#gv-sizing-guide\"\u003eSee the full 8x4 sizing guide →\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits a 8\" × 4\" duct opening\u003c\/strong\u003e — measure the hole, not your old cover face.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop-in surface-mount replacement\u003c\/strong\u003e — no drywall, flooring, or duct modification required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern minimalist slot design\u003c\/strong\u003e for contemporary interiors and cleaner visual lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid alloy aluminum\u003c\/strong\u003e — rust-resistant, durable, and zero plastic parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall, ceiling, or low-traffic floor compatible\u003c\/strong\u003e — one diffuser, multiple install scenarios.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-directional adjustable airflow\u003c\/strong\u003e — direct air left, right, both ways, or fully closed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTÜV Rheinland tested\u003c\/strong\u003e — lead-free coating, phthalate-free materials, Prop 65 compliant, and corrosion-resistant finish.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDesigned for modern interiors, engineered for comfort\u003c\/h2\u003e\n\u003cp\u003eSwap an old 8\" × 4\" stamped-steel register for a cleaner aluminum diffuser with adjustable, multi-directional airflow. This white surface-mount diffuser installs on walls, ceilings, and low-traffic floors, giving existing duct openings a cleaner, more intentional finish. White finish pairs naturally with white trim, light ceilings, painted walls, Scandinavian interiors, and light wood floors.\u003c\/p\u003e\n\u003ch2\u003eDesigned to upgrade, not to remodel\u003c\/h2\u003e\n\u003cp\u003eA full remodel should not be required just to make a vent look intentional. This surface-mount diffuser upgrades an existing duct opening without cutting into the wall, ceiling, or floor.\u003c\/p\u003e\n\u003cp\u003eInside: heavy-gauge aluminum, a multi-directional adjustable blade system, and a powder-coated finish made for everyday residential use. Outside: a clean slot profile that looks more refined than a bulky stamped grille.\u003c\/p\u003e\n\u003ch2 id=\"gv-sizing-guide\"\u003eSizing Guide — Will a 8x4 fit your space?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIMPORTANT:\u003c\/strong\u003e Measure the hole in your wall, ceiling, or floor — do not measure your old vent cover.\u003c\/p\u003e\n\u003cp\u003eThis 8x4 aluminum vent cover is designed to fit a standard 8\" × 4\" duct opening (also listed as a 4x8 wall register or 4 x 8 vent cover).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuct opening size:\u003c\/strong\u003e 8\" × 4\" (this is what you measure)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeck size:\u003c\/strong\u003e 7-3\/4\" × 3-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall face size:\u003c\/strong\u003e 9-3\/4\" × 5-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign note:\u003c\/strong\u003e Like all linear slot diffusers, this model has a narrower face panel than many traditional louvered grilles to achieve a cleaner, minimal aesthetic. It may not fully conceal the unpainted area left by an old AC vent cover — a light paint touch-up may be needed for a perfectly finished look.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQuick check:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eRemove your existing vent cover.\u003c\/li\u003e\n\u003cli\u003eMeasure the \u003cem\u003eopening\u003c\/em\u003e in the wall, ceiling, or floor — not the old cover.\u003c\/li\u003e\n\u003cli\u003eIf the opening is approximately 8\" × 4\", this 8x4 linear slot diffuser fits.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eDesigned for modern homes\u003c\/h2\u003e\n\u003cp\u003eThe 8x4 size is a practical fit for tighter rectangular openings in bedrooms, hallways, bathrooms, built-ins, and older homes where a traditional grille can feel visually heavy. It gives the space a cleaner slot line while staying easy to install as a direct replacement.\u003c\/p\u003e\n\u003ch3\u003eOn the wall\u003c\/h3\u003e\n\u003cp\u003eReplaces dated stamped-steel grilles in bedrooms, hallways, bathrooms, built-ins, and narrow wall openings. The clean slot line helps the HVAC opening blend into the room instead of becoming a visual distraction.\u003c\/p\u003e\n\u003ch3\u003eOn the ceiling\u003c\/h3\u003e\n\u003cp\u003eCreates a low-profile look for finished ceilings, modern condos, kitchens, bathrooms, and basements. Use the included screws for a secure wall or ceiling installation.\u003c\/p\u003e\n\u003ch3\u003eOn the floor\u003c\/h3\u003e\n\u003cp\u003eWorks in low-traffic floor areas where a modern register-style look is preferred. For busy walkways or heavy foot traffic, choose a heavier-duty floor register.\u003c\/p\u003e\n\u003ch2\u003ePremium Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable aluminum body:\u003c\/strong\u003e Built from aluminum for a lightweight but solid feel, with a finish designed for long-term residential use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimalist linear face:\u003c\/strong\u003e The clean slot pattern replaces bulky louvered grilles with a more intentional architectural look.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-directional damper:\u003c\/strong\u003e Fine-tune comfort by adjusting airflow direction without replacing the unit or modifying the duct.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy-care finish:\u003c\/strong\u003e The coated surface can be wiped down with a damp cloth and supports a cleaner look over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTested Safe for Your Home:\u003c\/strong\u003e Independently tested by TÜV Rheinland across 4 safety standards — lead-free surface coating, phthalate-free materials, free of PBT toxic chemicals, and corrosion-resistant finish per ASTM B117 salt spray standard.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e5-Minute Retrofit Installation\u003c\/h2\u003e\n\u003cp\u003eDesigned as a direct replacement for standard 8\" × 4\" duct openings with no structural modification required.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Walls \u0026amp; Ceilings:\u003c\/strong\u003e Mounts with the included screws through pre-drilled hidden side holes. Only a screwdriver and the included adjustment tool are needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Floors:\u003c\/strong\u003e Drop the cover into the existing opening in low-traffic areas. Optional screws may be used for extra hold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Removable:\u003c\/strong\u003e The diffuser can be removed for cleaning, painting, maintenance, or future room updates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe loading=\"lazy\" title=\"Installation guide — Green Vent 8x4 aluminum linear slot diffuser\" src=\"https:\/\/www.youtube.com\/embed\/2NETJ1EgEis\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGreen Vent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum Linear Slot Diffuser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDuct Opening Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8\" × 4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNeck Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7-3\/4\" × 3-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall Face Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9-3\/4\" × 5-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor \/ Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite \/ Powder-coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAlloy Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShape\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRectangular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation \/ Mounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScrew-In for wall\/ceiling; drop-in for low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAirflow Direction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-directional adjustable: left \/ right \/ both \/ closed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupply air, return air, low-traffic floor register use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Surfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWall, ceiling, low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVietnam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncluded Components\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAdjustable air diffuser bar, Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e1. What size do I order — 8x4 or face size?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOrder by duct opening size. 8x4 means a 8\" × 4\" duct opening—the hole in your wall, ceiling, or floor. The visible face size of this diffuser is 9-3\/4\" × 5-3\/4\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. Is a linear slot diffuser better for modern interiors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor contemporary rooms, yes. The straight slot profile looks cleaner than stamped louvers and pairs well with minimalist walls, ceilings, hardwood floors, and modern trim details.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Can I install this 8x4 vent cover on a ceiling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. This 8x4 linear slot diffuser can be installed on walls, ceilings, or low-traffic floors as long as the duct opening measures 8\" × 4\". Use the included screws for wall and ceiling installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Does it include an adjustable airflow damper?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The built-in adjustment bar lets you direct airflow left, right, evenly to both sides, or fully close the blades to reduce airflow into unused rooms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. Can this diffuser be used for both supply and return air?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt can be used for supply air and many residential return openings. For high-volume returns or filtration needs, choose a dedicated Green Vent air return grille with pre-filter instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. Can I use a filter with this linear slot diffuser?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Standard filters should not be placed behind individual vent covers because they can restrict airflow and strain the HVAC system. Use a return grille with a pre-filter if filtration at the vent is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7. Is the finish paintable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The powder-coated finish is durable as shipped, but it can be lightly sanded, primed, and painted with standard spray paint for custom color matching.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8. Can this be installed outdoors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, in sheltered locations such as covered patios, garages, and enclosed porches. It is not intended for direct rain exposure.\u003c\/p\u003e\n\u003ch2\u003eExplore related Green Vent products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/products\/8x4-black-aluminum-linear-slot-diffuser\"\u003e8x4 black aluminum linear slot diffuser\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/8x4-vent-covers\"\u003e8x4 vent covers collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/white-linear-slot-diffusers\"\u003ewhite linear slot diffusers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/linear-slot-diffuser\"\u003elinear slot diffuser collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/air-vent-covers\"\u003emodern air vent covers\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot sure about size or finish? Contact Green Vent support before ordering and we will help you choose the right vent cover for your space.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"eager\" alt=\"Green Vent 10x6 aluminum linear slot diffuser in white powder-coated finish, front view\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Side angled view of 10x6 white linear slot diffuser showing extruded aluminum profile and slot depth\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_2.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 linear slot diffuser installed on white wall in modern living room\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_3.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 aluminum vent cover mounted on ceiling above contemporary kitchen island\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_4.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 white vent cover installed flush on hardwood floor near baseboard\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_5.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hand measuring 10 inch by 6 inch duct opening with tape measure for sizing reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_6.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Diagram showing duct opening 10 by 6 inches and overall face size 11.75 by 7.75 inches\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_7.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Step-by-step retrofit installation of 10x6 aluminum linear slot diffuser on drywall\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_8.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Close-up of multi-directional adjustable airflow blade on 10x6 linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_9.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hidden side-screw mounting detail on 10x6 white aluminum vent cover\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_10.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"What is in the box - 10x6 linear slot diffuser, mounting screws, and blade adjustment tool\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_11.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"TÜV Rheinland tested certification badge for Green Vent 10x6 aluminum linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_12.jpg?v=1778639719\"\u003e\u003c\/p\u003e","brand":"GREEN VENT","offers":[{"title":"Default Title","offer_id":52347636547956,"sku":"GV.DLS.084N","price":27.83,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/aluminum-white-linear-slot-diffuser-8x4-modern-air-vent-cover.webp?v=1769735434"},{"product_id":"8x8-aluminum-linear-slot-diffuser","title":"8x8 White Premium Aluminum Linear Slot Diffuser – Modern Design (Duct Opening)","description":"\u003cp\u003e⚠️ \u003cstrong\u003eCHECK SIZE BEFORE PURCHASE:\u003c\/strong\u003e This 8x8 linear slot diffuser fits a \u003cstrong\u003e8\" × 8\" duct opening\u003c\/strong\u003e (the hole in your wall, ceiling, or floor — not your old cover face). \u003ca href=\"#gv-sizing-guide\"\u003eSee the full 8x8 sizing guide →\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits a 8\" × 8\" duct opening\u003c\/strong\u003e — measure the hole, not your old cover face.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop-in surface-mount replacement\u003c\/strong\u003e — no drywall, flooring, or duct modification required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern minimalist slot design\u003c\/strong\u003e for contemporary interiors and cleaner visual lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid alloy aluminum\u003c\/strong\u003e — rust-resistant, durable, and zero plastic parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall, ceiling, or low-traffic floor compatible\u003c\/strong\u003e — one diffuser, multiple install scenarios.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-directional adjustable airflow\u003c\/strong\u003e — direct air left, right, both ways, or fully closed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTÜV Rheinland tested\u003c\/strong\u003e — lead-free coating, phthalate-free materials, Prop 65 compliant, and corrosion-resistant finish.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDesigned for modern interiors, engineered for comfort\u003c\/h2\u003e\n\u003cp\u003eReplace your dated 8\" × 8\" louvered grille with a modern aluminum linear slot diffuser designed for clean architectural lines. This white surface-mount diffuser installs on walls, ceilings, and low-traffic floors, giving existing duct openings a cleaner, more intentional finish. White finish pairs naturally with white trim, light ceilings, painted walls, Scandinavian interiors, and light wood floors.\u003c\/p\u003e\n\u003ch2\u003eDesigned to upgrade, not to remodel\u003c\/h2\u003e\n\u003cp\u003eMost modern flush vents are designed for new flooring or drywall work. This Green Vent model is built for real replacement projects: remove the old cover, confirm the duct opening, mount the new diffuser, and adjust the airflow.\u003c\/p\u003e\n\u003cp\u003eInside: heavy-gauge aluminum, a multi-directional adjustable blade system, and a powder-coated finish made for everyday residential use. Outside: a clean slot profile that looks more refined than a bulky stamped grille.\u003c\/p\u003e\n\u003ch2 id=\"gv-sizing-guide\"\u003eSizing Guide — Will a 8x8 fit your space?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIMPORTANT:\u003c\/strong\u003e Measure the hole in your wall, ceiling, or floor — do not measure your old vent cover.\u003c\/p\u003e\n\u003cp\u003eThis 8x8 aluminum vent cover is designed to fit a standard 8\" × 8\" duct opening (also listed as a 8x8 wall register or 8 x 8 vent cover).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuct opening size:\u003c\/strong\u003e 8\" × 8\" (this is what you measure)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeck size:\u003c\/strong\u003e 7-3\/4\" × 7-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall face size:\u003c\/strong\u003e 9-3\/4\" × 9-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign note:\u003c\/strong\u003e Like all linear slot diffusers, this model has a narrower face panel than many traditional louvered grilles to achieve a cleaner, minimal aesthetic. It may not fully conceal the unpainted area left by an old AC vent cover — a light paint touch-up may be needed for a perfectly finished look.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQuick check:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eRemove your existing vent cover.\u003c\/li\u003e\n\u003cli\u003eMeasure the \u003cem\u003eopening\u003c\/em\u003e in the wall, ceiling, or floor — not the old cover.\u003c\/li\u003e\n\u003cli\u003eIf the opening is approximately 8\" × 8\", this 8x8 linear slot diffuser fits.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eDesigned for modern homes\u003c\/h2\u003e\n\u003cp\u003eThe 8x8 size is well suited for square duct openings in bedrooms, hallways, basements, and secondary living spaces. Its balanced geometry works especially well on ceilings where the diffuser should look aligned, centered, and deliberate.\u003c\/p\u003e\n\u003ch3\u003eOn the wall\u003c\/h3\u003e\n\u003cp\u003eReplaces dated stamped-steel grilles in bedrooms, hallways, basements, and square ceiling openings. The clean slot line helps the HVAC opening blend into the room instead of becoming a visual distraction.\u003c\/p\u003e\n\u003ch3\u003eOn the ceiling\u003c\/h3\u003e\n\u003cp\u003eCreates a low-profile look for finished ceilings, modern condos, kitchens, bathrooms, and basements. Use the included screws for a secure wall or ceiling installation.\u003c\/p\u003e\n\u003ch3\u003eOn the floor\u003c\/h3\u003e\n\u003cp\u003eWorks in low-traffic floor areas where a modern register-style look is preferred. For busy walkways or heavy foot traffic, choose a heavier-duty floor register.\u003c\/p\u003e\n\u003ch2\u003ePremium Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo-plastic construction:\u003c\/strong\u003e Aluminum construction gives the diffuser a more premium feel than plastic covers and helps prevent cracking or yellowing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern surface-mount design:\u003c\/strong\u003e The face sits cleanly over the duct opening, making it ideal for retrofit projects and design upgrades.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComfort-focused airflow:\u003c\/strong\u003e The adjustable blade system helps distribute conditioned air more evenly across the room.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReusable and removable:\u003c\/strong\u003e The unit can be removed for cleaning, painting, maintenance, or future room updates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTested Safe for Your Home:\u003c\/strong\u003e Independently tested by TÜV Rheinland across 4 safety standards — lead-free surface coating, phthalate-free materials, free of PBT toxic chemicals, and corrosion-resistant finish per ASTM B117 salt spray standard.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e5-Minute Retrofit Installation\u003c\/h2\u003e\n\u003cp\u003eDesigned as a direct replacement for standard 8\" × 8\" duct openings with no structural modification required.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Walls \u0026amp; Ceilings:\u003c\/strong\u003e Mounts with the included screws through pre-drilled hidden side holes. Only a screwdriver and the included adjustment tool are needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Floors:\u003c\/strong\u003e Drop the cover into the existing opening in low-traffic areas. Optional screws may be used for extra hold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Removable:\u003c\/strong\u003e The diffuser can be removed for cleaning, painting, maintenance, or future room updates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe loading=\"lazy\" title=\"Installation guide — Green Vent 8x8 aluminum linear slot diffuser\" src=\"https:\/\/www.youtube.com\/embed\/2NETJ1EgEis\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGreen Vent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum Linear Slot Diffuser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDuct Opening Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8\" × 8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNeck Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7-3\/4\" × 7-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall Face Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9-3\/4\" × 9-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor \/ Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite \/ Powder-coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAlloy Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShape\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRectangular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation \/ Mounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScrew-In for wall\/ceiling; drop-in for low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAirflow Direction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-directional adjustable: left \/ right \/ both \/ closed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupply air, return air, low-traffic floor register use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Surfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWall, ceiling, low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVietnam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncluded Components\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScrew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e1. What size do I order — 8x8 or face size?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOrder by duct opening size. 8x8 means a 8\" × 8\" duct opening—the hole in your wall, ceiling, or floor. The visible face size of this diffuser is 9-3\/4\" × 9-3\/4\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. Is a linear slot diffuser better for modern interiors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor contemporary rooms, yes. The straight slot profile looks cleaner than stamped louvers and pairs well with minimalist walls, ceilings, hardwood floors, and modern trim details.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Can I install this 8x8 vent cover on a ceiling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. This 8x8 linear slot diffuser can be installed on walls, ceilings, or low-traffic floors as long as the duct opening measures 8\" × 8\". Use the included screws for wall and ceiling installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Does it include an adjustable airflow damper?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The built-in adjustment bar lets you direct airflow left, right, evenly to both sides, or fully close the blades to reduce airflow into unused rooms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. Can this diffuser be used for both supply and return air?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt can be used for supply air and many residential return openings. For high-volume returns or filtration needs, choose a dedicated \u003ca href=\"https:\/\/www.greenvent.us\/products\/8x8-air-return-grille-pre-filter\"\u003e8x8 air return grille with pre-filter\u003c\/a\u003e instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. Can I use a filter with this linear slot diffuser?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Standard filters should not be placed behind individual vent covers because they can restrict airflow and strain the HVAC system. Use a return grille with a pre-filter if filtration at the vent is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7. Is the finish paintable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The powder-coated finish is durable as shipped, but it can be lightly sanded, primed, and painted with standard spray paint for custom color matching.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8. Can this be installed outdoors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, in sheltered locations such as covered patios, garages, and enclosed porches. It is not intended for direct rain exposure.\u003c\/p\u003e\n\u003ch2\u003eExplore related Green Vent products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/products\/8x8-air-return-grille-pre-filter\"\u003e8x8 air return grille with pre-filter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/8x8-vent-covers\"\u003e8x8 vent covers collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/white-linear-slot-diffusers\"\u003ewhite linear slot diffusers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/linear-slot-diffuser\"\u003elinear slot diffuser collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/air-vent-covers\"\u003emodern air vent covers\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFor multi-room projects, standardize by duct opening size and finish so the vents look consistent across the home.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"eager\" alt=\"Green Vent 10x6 aluminum linear slot diffuser in white powder-coated finish, front view\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Side angled view of 10x6 white linear slot diffuser showing extruded aluminum profile and slot depth\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_2.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 linear slot diffuser installed on white wall in modern living room\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_3.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 aluminum vent cover mounted on ceiling above contemporary kitchen island\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_4.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 white vent cover installed flush on hardwood floor near baseboard\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_5.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hand measuring 10 inch by 6 inch duct opening with tape measure for sizing reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_6.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Diagram showing duct opening 10 by 6 inches and overall face size 11.75 by 7.75 inches\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_7.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Step-by-step retrofit installation of 10x6 aluminum linear slot diffuser on drywall\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_8.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Close-up of multi-directional adjustable airflow blade on 10x6 linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_9.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hidden side-screw mounting detail on 10x6 white aluminum vent cover\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_10.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"What is in the box - 10x6 linear slot diffuser, mounting screws, and blade adjustment tool\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_11.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"TÜV Rheinland tested certification badge for Green Vent 10x6 aluminum linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_12.jpg?v=1778639719\"\u003e\u003c\/p\u003e","brand":"GREEN VENT","offers":[{"title":"Default Title","offer_id":52347639497076,"sku":"GV.LSD.088W","price":39.03,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/aluminum-white-linear-slot-diffuser-8x8-modern-air-vent-cover.webp?v=1769735332"},{"product_id":"10x4-aluminum-linear-slot-diffuser","title":"10x4 White Premium Aluminum Linear Slot Diffuser – Modern Design (Duct Opening)","description":"\u003cp\u003e⚠️ \u003cstrong\u003eCHECK SIZE BEFORE PURCHASE:\u003c\/strong\u003e This 10x4 linear slot diffuser fits a \u003cstrong\u003e10\" × 4\" duct opening\u003c\/strong\u003e (the hole in your wall, ceiling, or floor — not your old cover face). \u003ca href=\"#gv-sizing-guide\"\u003eSee the full 10x4 sizing guide →\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits a 10\" × 4\" duct opening\u003c\/strong\u003e — measure the hole, not your old cover face.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop-in surface-mount replacement\u003c\/strong\u003e — no drywall, flooring, or duct modification required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern minimalist slot design\u003c\/strong\u003e for contemporary interiors and cleaner visual lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid alloy aluminum\u003c\/strong\u003e — rust-resistant, durable, and zero plastic parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall, ceiling, or low-traffic floor compatible\u003c\/strong\u003e — one diffuser, multiple install scenarios.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-directional adjustable airflow\u003c\/strong\u003e — direct air left, right, both ways, or fully closed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTÜV Rheinland tested\u003c\/strong\u003e — lead-free coating, phthalate-free materials, Prop 65 compliant, and corrosion-resistant finish.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDesigned for modern interiors, engineered for comfort\u003c\/h2\u003e\n\u003cp\u003eGive your 10\" × 4\" vent opening a contemporary finish with a durable aluminum linear slot diffuser—no remodeling required. This white surface-mount diffuser installs on walls, ceilings, and low-traffic floors, giving existing duct openings a cleaner, more intentional finish. White finish pairs naturally with white trim, light ceilings, painted walls, Scandinavian interiors, and light wood floors.\u003c\/p\u003e\n\u003ch2\u003eDesigned to upgrade, not to remodel\u003c\/h2\u003e\n\u003cp\u003eFor homeowners who want a modern look without contractor work, this diffuser is a practical replacement path. It covers the duct opening with a clean slot profile and installs with basic tools.\u003c\/p\u003e\n\u003cp\u003eInside: heavy-gauge aluminum, a multi-directional adjustable blade system, and a powder-coated finish made for everyday residential use. Outside: a clean slot profile that looks more refined than a bulky stamped grille.\u003c\/p\u003e\n\u003ch2 id=\"gv-sizing-guide\"\u003eSizing Guide — Will a 10x4 fit your space?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIMPORTANT:\u003c\/strong\u003e Measure the hole in your wall, ceiling, or floor — do not measure your old vent cover.\u003c\/p\u003e\n\u003cp\u003eThis 10x4 aluminum vent cover is designed to fit a standard 10\" × 4\" duct opening (also listed as a 4x10 wall register or 4 x 10 vent cover).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuct opening size:\u003c\/strong\u003e 10\" × 4\" (this is what you measure)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeck size:\u003c\/strong\u003e 9-3\/4\" × 3-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall face size:\u003c\/strong\u003e 11-3\/4\" × 5-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign note:\u003c\/strong\u003e Like all linear slot diffusers, this model has a narrower face panel than many traditional louvered grilles to achieve a cleaner, minimal aesthetic. It may not fully conceal the unpainted area left by an old AC vent cover — a light paint touch-up may be needed for a perfectly finished look.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQuick check:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eRemove your existing vent cover.\u003c\/li\u003e\n\u003cli\u003eMeasure the \u003cem\u003eopening\u003c\/em\u003e in the wall, ceiling, or floor — not the old cover.\u003c\/li\u003e\n\u003cli\u003eIf the opening is approximately 10\" × 4\", this 10x4 linear slot diffuser fits.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eDesigned for modern homes\u003c\/h2\u003e\n\u003cp\u003eThe 10x4 size is one of the most useful narrow rectangular formats for bedrooms, hallways, home offices, and older supply runs near walls or baseboards. It gives a dated 4-inch-tall register a cleaner modern profile without making the vent feel oversized.\u003c\/p\u003e\n\u003ch3\u003eOn the wall\u003c\/h3\u003e\n\u003cp\u003eReplaces dated stamped-steel grilles in bedrooms, hallways, home offices, and narrow residential supply runs. The clean slot line helps the HVAC opening blend into the room instead of becoming a visual distraction.\u003c\/p\u003e\n\u003ch3\u003eOn the ceiling\u003c\/h3\u003e\n\u003cp\u003eCreates a low-profile look for finished ceilings, modern condos, kitchens, bathrooms, and basements. Use the included screws for a secure wall or ceiling installation.\u003c\/p\u003e\n\u003ch3\u003eOn the floor\u003c\/h3\u003e\n\u003cp\u003eWorks in low-traffic floor areas where a modern register-style look is preferred. For busy walkways or heavy foot traffic, choose a heavier-duty floor register.\u003c\/p\u003e\n\u003ch2\u003ePremium Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable aluminum body:\u003c\/strong\u003e Built from aluminum for a lightweight but solid feel, with a finish designed for long-term residential use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimalist linear face:\u003c\/strong\u003e The clean slot pattern replaces bulky louvered grilles with a more intentional architectural look.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-directional damper:\u003c\/strong\u003e Fine-tune comfort by adjusting airflow direction without replacing the unit or modifying the duct.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy-care finish:\u003c\/strong\u003e The coated surface can be wiped down with a damp cloth and supports a cleaner look over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTested Safe for Your Home:\u003c\/strong\u003e Independently tested by TÜV Rheinland across 4 safety standards — lead-free surface coating, phthalate-free materials, free of PBT toxic chemicals, and corrosion-resistant finish per ASTM B117 salt spray standard.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e5-Minute Retrofit Installation\u003c\/h2\u003e\n\u003cp\u003eDesigned as a direct replacement for standard 10\" × 4\" duct openings with no structural modification required.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Walls \u0026amp; Ceilings:\u003c\/strong\u003e Mounts with the included screws through pre-drilled hidden side holes. Only a screwdriver and the included adjustment tool are needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Floors:\u003c\/strong\u003e Drop the cover into the existing opening in low-traffic areas. Optional screws may be used for extra hold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Removable:\u003c\/strong\u003e The diffuser can be removed for cleaning, painting, maintenance, or future room updates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe loading=\"lazy\" title=\"Installation guide — Green Vent 10x4 aluminum linear slot diffuser\" src=\"https:\/\/www.youtube.com\/embed\/2NETJ1EgEis\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGreen Vent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum Linear Slot Diffuser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDuct Opening Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10\" × 4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNeck Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9-3\/4\" × 3-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall Face Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11-3\/4\" × 5-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor \/ Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite \/ Powder-coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAlloy Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShape\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRectangular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation \/ Mounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScrew-In for wall\/ceiling; drop-in for low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAirflow Direction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-directional adjustable: left \/ right \/ both \/ closed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupply air, return air, low-traffic floor register use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Surfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWall, ceiling, low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVietnam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncluded Components\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAdjustable air diffuser bar, Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e1. What size do I order — 10x4 or face size?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOrder by duct opening size. 10x4 means a 10\" × 4\" duct opening—the hole in your wall, ceiling, or floor. The visible face size of this diffuser is 11-3\/4\" × 5-3\/4\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. Why choose a linear slot diffuser instead of a standard grille?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA standard grille is usually more visible and traditional. A linear slot diffuser creates a cleaner architectural line while still giving you airflow adjustment for everyday comfort.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Can I install this 10x4 vent cover on a ceiling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. This 10x4 linear slot diffuser can be installed on walls, ceilings, or low-traffic floors as long as the duct opening measures 10\" × 4\". Use the included screws for wall and ceiling installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Does it include an adjustable airflow damper?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The built-in adjustment bar lets you direct airflow left, right, evenly to both sides, or fully close the blades to reduce airflow into unused rooms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. Can this diffuser be used for both supply and return air?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt can be used for supply air and many residential return openings. For high-volume returns or filtration needs, choose a dedicated \u003ca href=\"https:\/\/www.greenvent.us\/products\/10x4-air-return-grille-pre-filter\"\u003e10x4 air return grille with pre-filter\u003c\/a\u003e instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. Can I use a filter with this linear slot diffuser?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Standard filters should not be placed behind individual vent covers because they can restrict airflow and strain the HVAC system. Use a return grille with a pre-filter if filtration at the vent is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7. Is the finish paintable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The powder-coated finish is durable as shipped, but it can be lightly sanded, primed, and painted with standard spray paint for custom color matching.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8. Can this be installed outdoors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, in sheltered locations such as covered patios, garages, and enclosed porches. It is not intended for direct rain exposure.\u003c\/p\u003e\n\u003ch2\u003eExplore related Green Vent products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/products\/10x4-black-aluminum-linear-slot-diffuser\"\u003e10x4 black aluminum linear slot diffuser\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/products\/10x4-air-return-grille-pre-filter\"\u003e10x4 air return grille with pre-filter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/10x4-vent-covers\"\u003e10x4 vent covers collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/white-linear-slot-diffusers\"\u003ewhite linear slot diffusers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/linear-slot-diffuser\"\u003elinear slot diffuser collection\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFor multi-room projects, standardize by duct opening size and finish so the vents look consistent across the home.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"eager\" alt=\"Green Vent 10x6 aluminum linear slot diffuser in white powder-coated finish, front view\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Side angled view of 10x6 white linear slot diffuser showing extruded aluminum profile and slot depth\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_2.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 linear slot diffuser installed on white wall in modern living room\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_3.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 aluminum vent cover mounted on ceiling above contemporary kitchen island\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_4.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 white vent cover installed flush on hardwood floor near baseboard\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_5.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hand measuring 10 inch by 6 inch duct opening with tape measure for sizing reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_6.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Diagram showing duct opening 10 by 6 inches and overall face size 11.75 by 7.75 inches\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_7.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Step-by-step retrofit installation of 10x6 aluminum linear slot diffuser on drywall\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_8.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Close-up of multi-directional adjustable airflow blade on 10x6 linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_9.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hidden side-screw mounting detail on 10x6 white aluminum vent cover\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_10.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"What is in the box - 10x6 linear slot diffuser, mounting screws, and blade adjustment tool\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_11.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"TÜV Rheinland tested certification badge for Green Vent 10x6 aluminum linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_12.jpg?v=1778639719\"\u003e\u003c\/p\u003e","brand":"GREEN VENT","offers":[{"title":"Default Title","offer_id":52347640775028,"sku":"GV.DLS.104N","price":29.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/aluminum-white-linear-slot-diffuser-10x4-modern-air-vent-cover.webp?v=1769735223"},{"product_id":"10x4-pack-2-aluminum-linear-slot-diffuser","title":"10x4 White Premium Aluminum Linear Slot Diffuser (Pack of 2) – Modern Design (Duct Opening)","description":"\u003cp\u003e⚠️ \u003cstrong\u003eCHECK SIZE BEFORE PURCHASE:\u003c\/strong\u003e This 10x4 linear slot diffuser fits a \u003cstrong\u003e10\" × 4\" duct opening\u003c\/strong\u003e (the hole in your wall, ceiling, or floor — not your old cover face). \u003ca href=\"#gv-sizing-guide\"\u003eSee the full 10x4 sizing guide →\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits a 10\" × 4\" duct opening\u003c\/strong\u003e — measure the hole, not your old cover face.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-pack format\u003c\/strong\u003e — ideal for matching paired vents or updating two rooms with one consistent finish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop-in surface-mount replacement\u003c\/strong\u003e — no drywall, flooring, or duct modification required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern minimalist slot design\u003c\/strong\u003e for contemporary interiors and cleaner visual lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid alloy aluminum\u003c\/strong\u003e — rust-resistant, durable, and zero plastic parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall, ceiling, or low-traffic floor compatible\u003c\/strong\u003e — one diffuser, multiple install scenarios.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-directional adjustable airflow\u003c\/strong\u003e — direct air left, right, both ways, or fully closed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTÜV Rheinland tested\u003c\/strong\u003e — lead-free coating, phthalate-free materials, Prop 65 compliant, and corrosion-resistant finish.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDesigned for modern interiors, engineered for comfort\u003c\/h2\u003e\n\u003cp\u003eReplace your dated 10\" × 4\" louvered grille with a modern aluminum linear slot diffuser designed for clean architectural lines. This white surface-mount diffuser installs on walls, ceilings, and low-traffic floors, giving existing duct openings a cleaner, more intentional finish. White finish pairs naturally with white trim, light ceilings, painted walls, Scandinavian interiors, and light wood floors. This 2-pack is designed for matching vents in the same room, paired openings, or multi-room replacement projects.\u003c\/p\u003e\n\u003ch2\u003eDesigned to upgrade, not to remodel\u003c\/h2\u003e\n\u003cp\u003eA full remodel should not be required just to make a vent look intentional. This surface-mount diffuser upgrades an existing duct opening without cutting into the wall, ceiling, or floor.\u003c\/p\u003e\n\u003cp\u003eInside: heavy-gauge aluminum, a multi-directional adjustable blade system, and a powder-coated finish made for everyday residential use. Outside: a clean slot profile that looks more refined than a bulky stamped grille.\u003c\/p\u003e\n\u003ch2 id=\"gv-sizing-guide\"\u003eSizing Guide — Will a 10x4 fit your space?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIMPORTANT:\u003c\/strong\u003e Measure the hole in your wall, ceiling, or floor — do not measure your old vent cover.\u003c\/p\u003e\n\u003cp\u003eThis 10x4 aluminum vent cover is designed to fit a standard 10\" × 4\" duct opening (also listed as a 4x10 wall register or 4 x 10 vent cover).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuct opening size:\u003c\/strong\u003e 10\" × 4\" (this is what you measure)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeck size:\u003c\/strong\u003e 9-3\/4\" × 3-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall face size:\u003c\/strong\u003e 11-3\/4\" × 5-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign note:\u003c\/strong\u003e Like all linear slot diffusers, this model has a narrower face panel than many traditional louvered grilles to achieve a cleaner, minimal aesthetic. It may not fully conceal the unpainted area left by an old AC vent cover — a light paint touch-up may be needed for a perfectly finished look.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQuick check:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eRemove your existing vent cover.\u003c\/li\u003e\n\u003cli\u003eMeasure the \u003cem\u003eopening\u003c\/em\u003e in the wall, ceiling, or floor — not the old cover.\u003c\/li\u003e\n\u003cli\u003eIf the opening is approximately 10\" × 4\", this 10x4 linear slot diffuser fits.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eDesigned for modern homes\u003c\/h2\u003e\n\u003cp\u003eThe 10x4 size is one of the most useful narrow rectangular formats for bedrooms, hallways, home offices, and older supply runs near walls or baseboards. It gives a dated 4-inch-tall register a cleaner modern profile without making the vent feel oversized.\u003c\/p\u003e\n\u003ch3\u003eOn the wall\u003c\/h3\u003e\n\u003cp\u003eReplaces dated stamped-steel grilles in bedrooms, hallways, home offices, and narrow residential supply runs. The clean slot line helps the HVAC opening blend into the room instead of becoming a visual distraction.\u003c\/p\u003e\n\u003ch3\u003eOn the ceiling\u003c\/h3\u003e\n\u003cp\u003eCreates a low-profile look for finished ceilings, modern condos, kitchens, bathrooms, and basements. Use the included screws for a secure wall or ceiling installation.\u003c\/p\u003e\n\u003ch3\u003eOn the floor\u003c\/h3\u003e\n\u003cp\u003eWorks in low-traffic floor areas where a modern register-style look is preferred. For busy walkways or heavy foot traffic, choose a heavier-duty floor register.\u003c\/p\u003e\n\u003ch2\u003ePremium Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable aluminum body:\u003c\/strong\u003e Built from aluminum for a lightweight but solid feel, with a finish designed for long-term residential use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimalist linear face:\u003c\/strong\u003e The clean slot pattern replaces bulky louvered grilles with a more intentional architectural look.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-directional damper:\u003c\/strong\u003e Fine-tune comfort by adjusting airflow direction without replacing the unit or modifying the duct.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy-care finish:\u003c\/strong\u003e The coated surface can be wiped down with a damp cloth and supports a cleaner look over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTested Safe for Your Home:\u003c\/strong\u003e Independently tested by TÜV Rheinland across 4 safety standards — lead-free surface coating, phthalate-free materials, free of PBT toxic chemicals, and corrosion-resistant finish per ASTM B117 salt spray standard.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e5-Minute Retrofit Installation\u003c\/h2\u003e\n\u003cp\u003eDesigned as a direct replacement for standard 10\" × 4\" duct openings with no structural modification required.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Walls \u0026amp; Ceilings:\u003c\/strong\u003e Mounts with the included screws through pre-drilled hidden side holes. Only a screwdriver and the included adjustment tool are needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Floors:\u003c\/strong\u003e Drop the cover into the existing opening in low-traffic areas. Optional screws may be used for extra hold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Removable:\u003c\/strong\u003e The diffuser can be removed for cleaning, painting, maintenance, or future room updates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe loading=\"lazy\" title=\"Installation guide — Green Vent 10x4 aluminum linear slot diffuser\" src=\"https:\/\/www.youtube.com\/embed\/2NETJ1EgEis\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGreen Vent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum Linear Slot Diffuser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDuct Opening Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10\" × 4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNeck Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9-3\/4\" × 3-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall Face Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11-3\/4\" × 5-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor \/ Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite \/ Powder-coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAlloy Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShape\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRectangular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation \/ Mounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScrew-In for wall\/ceiling; drop-in for low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAirflow Direction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-directional adjustable: left \/ right \/ both \/ closed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupply air, return air, low-traffic floor register use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Surfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWall, ceiling, low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVietnam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncluded Components\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAdjustable air diffuser bar, Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e1. What size do I order — 10x4 or face size?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOrder by duct opening size. 10x4 means a 10\" × 4\" duct opening—the hole in your wall, ceiling, or floor. The visible face size of this diffuser is 11-3\/4\" × 5-3\/4\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. Why choose a linear slot diffuser instead of a standard grille?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA standard grille is usually more visible and traditional. A linear slot diffuser creates a cleaner architectural line while still giving you airflow adjustment for everyday comfort.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Can I install this 10x4 vent cover on a ceiling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. This 10x4 linear slot diffuser can be installed on walls, ceilings, or low-traffic floors as long as the duct opening measures 10\" × 4\". Use the included screws for wall and ceiling installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Does it include an adjustable airflow damper?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The built-in adjustment bar lets you direct airflow left, right, evenly to both sides, or fully close the blades to reduce airflow into unused rooms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. Can this diffuser be used for both supply and return air?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt can be used for supply air and many residential return openings. For high-volume returns or filtration needs, choose a dedicated \u003ca href=\"https:\/\/www.greenvent.us\/products\/10x4-air-return-grille-pre-filter\"\u003e10x4 air return grille with pre-filter\u003c\/a\u003e instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. Can I use a filter with this linear slot diffuser?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Standard filters should not be placed behind individual vent covers because they can restrict airflow and strain the HVAC system. Use a return grille with a pre-filter if filtration at the vent is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7. Is the finish paintable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The powder-coated finish is durable as shipped, but it can be lightly sanded, primed, and painted with standard spray paint for custom color matching.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8. Can this be installed outdoors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, in sheltered locations such as covered patios, garages, and enclosed porches. It is not intended for direct rain exposure.\u003c\/p\u003e\n\u003ch2\u003eExplore related Green Vent products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/products\/10x4-pack-2-black-aluminum-linear-slot-diffuser\"\u003e10x4 black aluminum linear slot diffuser\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/products\/10x4-air-return-grille-pre-filter\"\u003e10x4 air return grille with pre-filter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/10x4-vent-covers\"\u003e10x4 vent covers collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/white-linear-slot-diffusers\"\u003ewhite linear slot diffusers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/linear-slot-diffuser\"\u003elinear slot diffuser collection\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot sure about size or finish? Contact Green Vent support before ordering and we will help you choose the right vent cover for your space.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"eager\" alt=\"Green Vent 10x6 aluminum linear slot diffuser in white powder-coated finish, front view\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Side angled view of 10x6 white linear slot diffuser showing extruded aluminum profile and slot depth\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_2.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 linear slot diffuser installed on white wall in modern living room\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_3.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 aluminum vent cover mounted on ceiling above contemporary kitchen island\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_4.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 white vent cover installed flush on hardwood floor near baseboard\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_5.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hand measuring 10 inch by 6 inch duct opening with tape measure for sizing reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_6.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Diagram showing duct opening 10 by 6 inches and overall face size 11.75 by 7.75 inches\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_7.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Step-by-step retrofit installation of 10x6 aluminum linear slot diffuser on drywall\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_8.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Close-up of multi-directional adjustable airflow blade on 10x6 linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_9.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hidden side-screw mounting detail on 10x6 white aluminum vent cover\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_10.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"What is in the box - 10x6 linear slot diffuser, mounting screws, and blade adjustment tool\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_11.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"TÜV Rheinland tested certification badge for Green Vent 10x6 aluminum linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_12.jpg?v=1778639719\"\u003e\u003c\/p\u003e","brand":"GREEN VENT","offers":[{"title":"Default Title","offer_id":52347645952372,"sku":"GV.LSD.104W2P","price":49.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/aluminum-white-linear-slot-diffuser-10x4-pack-2-modern-air-vent-cover.webp?v=1769735139"},{"product_id":"10x6-aluminum-linear-slot-diffuser","title":"10x6 White Premium Aluminum Linear Slot Diffuser – Modern Design (Duct Opening)","description":"\u003cp\u003e⚠️ \u003cstrong\u003eCHECK SIZE BEFORE PURCHASE:\u003c\/strong\u003e This 10x6 linear slot diffuser fits a \u003cstrong\u003e10\" × 6\" duct opening\u003c\/strong\u003e (the hole in your wall, ceiling, or floor — not your old cover face). \u003ca href=\"#gv-sizing-guide\"\u003eSee the full 10x6 sizing guide →\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits a 10\" × 6\" duct opening\u003c\/strong\u003e — measure the hole, not your old cover face.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop-in surface-mount replacement\u003c\/strong\u003e — no drywall, flooring, or duct modification required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern minimalist slot design\u003c\/strong\u003e for contemporary interiors and cleaner visual lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid alloy aluminum\u003c\/strong\u003e — rust-resistant, durable, and zero plastic parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall, ceiling, or low-traffic floor compatible\u003c\/strong\u003e — one diffuser, multiple install scenarios.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-directional adjustable airflow\u003c\/strong\u003e — direct air left, right, both ways, or fully closed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTÜV Rheinland tested\u003c\/strong\u003e — lead-free coating, phthalate-free materials, Prop 65 compliant, and corrosion-resistant finish.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDesigned for modern interiors, engineered for comfort\u003c\/h2\u003e\n\u003cp\u003eUpgrade an existing 10\" × 6\" duct opening with a surface-mount aluminum slot diffuser built for modern American homes. This white surface-mount diffuser installs on walls, ceilings, and low-traffic floors, giving existing duct openings a cleaner, more intentional finish. White finish pairs naturally with white trim, light ceilings, painted walls, Scandinavian interiors, and light wood floors.\u003c\/p\u003e\n\u003ch2\u003eDesigned to upgrade, not to remodel\u003c\/h2\u003e\n\u003cp\u003eMost modern flush vents are designed for new flooring or drywall work. This Green Vent model is built for real replacement projects: remove the old cover, confirm the duct opening, mount the new diffuser, and adjust the airflow.\u003c\/p\u003e\n\u003cp\u003eInside: heavy-gauge aluminum, a multi-directional adjustable blade system, and a powder-coated finish made for everyday residential use. Outside: a clean slot profile that looks more refined than a bulky stamped grille.\u003c\/p\u003e\n\u003ch2 id=\"gv-sizing-guide\"\u003eSizing Guide — Will a 10x6 fit your space?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIMPORTANT:\u003c\/strong\u003e Measure the hole in your wall, ceiling, or floor — do not measure your old vent cover.\u003c\/p\u003e\n\u003cp\u003eThis 10x6 aluminum vent cover is designed to fit a standard 10\" × 6\" duct opening (also listed as a 6x10 wall register or 6 x 10 vent cover).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuct opening size:\u003c\/strong\u003e 10\" × 6\" (this is what you measure)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeck size:\u003c\/strong\u003e 9-3\/4\" × 5-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall face size:\u003c\/strong\u003e 11-3\/4\" × 7-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign note:\u003c\/strong\u003e Like all linear slot diffusers, this model has a narrower face panel than many traditional louvered grilles to achieve a cleaner, minimal aesthetic. It may not fully conceal the unpainted area left by an old AC vent cover — a light paint touch-up may be needed for a perfectly finished look.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQuick check:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eRemove your existing vent cover.\u003c\/li\u003e\n\u003cli\u003eMeasure the \u003cem\u003eopening\u003c\/em\u003e in the wall, ceiling, or floor — not the old cover.\u003c\/li\u003e\n\u003cli\u003eIf the opening is approximately 10\" × 6\", this 10x6 linear slot diffuser fits.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eDesigned for modern homes\u003c\/h2\u003e\n\u003cp\u003eThe 10x6 size is a strong everyday choice for bedrooms, living rooms, kitchens, finished basements, and hallway main runs. It offers a larger face than compact sizes while staying easy to coordinate across typical residential HVAC openings.\u003c\/p\u003e\n\u003ch3\u003eOn the wall\u003c\/h3\u003e\n\u003cp\u003eReplaces dated stamped-steel grilles in bedrooms, living rooms, kitchens, finished basements, and hallway main runs. The clean slot line helps the HVAC opening blend into the room instead of becoming a visual distraction.\u003c\/p\u003e\n\u003ch3\u003eOn the ceiling\u003c\/h3\u003e\n\u003cp\u003eCreates a low-profile look for finished ceilings, modern condos, kitchens, bathrooms, and basements. Use the included screws for a secure wall or ceiling installation.\u003c\/p\u003e\n\u003ch3\u003eOn the floor\u003c\/h3\u003e\n\u003cp\u003eWorks in low-traffic floor areas where a modern register-style look is preferred. For busy walkways or heavy foot traffic, choose a heavier-duty floor register.\u003c\/p\u003e\n\u003ch2\u003ePremium Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable aluminum body:\u003c\/strong\u003e Built from aluminum for a lightweight but solid feel, with a finish designed for long-term residential use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimalist linear face:\u003c\/strong\u003e The clean slot pattern replaces bulky louvered grilles with a more intentional architectural look.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-directional damper:\u003c\/strong\u003e Fine-tune comfort by adjusting airflow direction without replacing the unit or modifying the duct.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy-care finish:\u003c\/strong\u003e The coated surface can be wiped down with a damp cloth and supports a cleaner look over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTested Safe for Your Home:\u003c\/strong\u003e Independently tested by TÜV Rheinland across 4 safety standards — lead-free surface coating, phthalate-free materials, free of PBT toxic chemicals, and corrosion-resistant finish per ASTM B117 salt spray standard.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e5-Minute Retrofit Installation\u003c\/h2\u003e\n\u003cp\u003eDesigned as a direct replacement for standard 10\" × 6\" duct openings with no structural modification required.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Walls \u0026amp; Ceilings:\u003c\/strong\u003e Mounts with the included screws through pre-drilled hidden side holes. Only a screwdriver and the included adjustment tool are needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Floors:\u003c\/strong\u003e Drop the cover into the existing opening in low-traffic areas. Optional screws may be used for extra hold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Removable:\u003c\/strong\u003e The diffuser can be removed for cleaning, painting, maintenance, or future room updates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe loading=\"lazy\" title=\"Installation guide — Green Vent 10x6 aluminum linear slot diffuser\" src=\"https:\/\/www.youtube.com\/embed\/2NETJ1EgEis\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGreen Vent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum Linear Slot Diffuser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDuct Opening Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10\" × 6\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNeck Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9-3\/4\" × 5-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall Face Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11-3\/4\" × 7-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor \/ Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite \/ Powder-coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAlloy Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShape\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRectangular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation \/ Mounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScrew-In for wall\/ceiling; drop-in for low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAirflow Direction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-directional adjustable: left \/ right \/ both \/ closed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupply air, return air, low-traffic floor register use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Surfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWall, ceiling, low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVietnam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncluded Components\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAdjustable air diffuser bar, Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e1. What size do I order — 10x6 or face size?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOrder by duct opening size. 10x6 means a 10\" × 6\" duct opening—the hole in your wall, ceiling, or floor. The visible face size of this diffuser is 11-3\/4\" × 7-3\/4\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. Why choose a linear slot diffuser instead of a standard grille?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA standard grille is usually more visible and traditional. A linear slot diffuser creates a cleaner architectural line while still giving you airflow adjustment for everyday comfort.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Can I install this 10x6 vent cover on a ceiling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. This 10x6 linear slot diffuser can be installed on walls, ceilings, or low-traffic floors as long as the duct opening measures 10\" × 6\". Use the included screws for wall and ceiling installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Does it include an adjustable airflow damper?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The built-in adjustment bar lets you direct airflow left, right, evenly to both sides, or fully close the blades to reduce airflow into unused rooms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. Can this diffuser be used for both supply and return air?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt can be used for supply air and many residential return openings. For high-volume returns or filtration needs, choose a dedicated \u003ca href=\"https:\/\/www.greenvent.us\/products\/10x6-air-return-grille-pre-filter\"\u003e10x6 air return grille with pre-filter\u003c\/a\u003e instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. Can I use a filter with this linear slot diffuser?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Standard filters should not be placed behind individual vent covers because they can restrict airflow and strain the HVAC system. Use a return grille with a pre-filter if filtration at the vent is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7. Is the finish paintable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The powder-coated finish is durable as shipped, but it can be lightly sanded, primed, and painted with standard spray paint for custom color matching.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8. Can this be installed outdoors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, in sheltered locations such as covered patios, garages, and enclosed porches. It is not intended for direct rain exposure.\u003c\/p\u003e\n\u003ch2\u003eExplore related Green Vent products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/products\/10x6-black-aluminum-linear-slot-diffuser\"\u003e10x6 black aluminum linear slot diffuser\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/products\/10x6-air-return-grille-pre-filter\"\u003e10x6 air return grille with pre-filter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/10x6-vent-covers\"\u003e10x6 vent covers collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/white-linear-slot-diffusers\"\u003ewhite linear slot diffusers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/linear-slot-diffuser\"\u003elinear slot diffuser collection\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eStill comparing sizes? Use the duct opening—not the old cover face—as your source of truth, then pick the finish that matches your interior.\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"eager\" alt=\"Green Vent 10x6 aluminum linear slot diffuser in white powder-coated finish, front view\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Side angled view of 10x6 white linear slot diffuser showing extruded aluminum profile and slot depth\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_2.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 linear slot diffuser installed on white wall in modern living room\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_3.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 aluminum vent cover mounted on ceiling above contemporary kitchen island\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_4.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 white vent cover installed flush on hardwood floor near baseboard\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_5.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hand measuring 10 inch by 6 inch duct opening with tape measure for sizing reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_6.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Diagram showing duct opening 10 by 6 inches and overall face size 11.75 by 7.75 inches\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_7.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Step-by-step retrofit installation of 10x6 aluminum linear slot diffuser on drywall\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_8.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Close-up of multi-directional adjustable airflow blade on 10x6 linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_9.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hidden side-screw mounting detail on 10x6 white aluminum vent cover\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_10.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"What is in the box - 10x6 linear slot diffuser, mounting screws, and blade adjustment tool\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_11.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"TÜV Rheinland tested certification badge for Green Vent 10x6 aluminum linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_12.jpg?v=1778639719\"\u003e\u003c\/p\u003e","brand":"GREEN VENT","offers":[{"title":"Default Title","offer_id":52347646280052,"sku":"GV.DLS.106C","price":35.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/aluminum-white-linear-slot-diffuser-10x6-modern-air-vent-cover.webp?v=1769735015"},{"product_id":"10x8-aluminum-linear-slot-diffuser","title":"10x8 White Premium Aluminum Linear Slot Diffuser – Modern Design (Duct Opening)","description":"\u003cp\u003e⚠️ \u003cstrong\u003eCHECK SIZE BEFORE PURCHASE:\u003c\/strong\u003e This 10x8 linear slot diffuser fits a \u003cstrong\u003e10\" × 8\" duct opening\u003c\/strong\u003e (the hole in your wall, ceiling, or floor — not your old cover face). \u003ca href=\"#gv-sizing-guide\"\u003eSee the full 10x8 sizing guide →\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits a 10\" × 8\" duct opening\u003c\/strong\u003e — measure the hole, not your old cover face.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop-in surface-mount replacement\u003c\/strong\u003e — no drywall, flooring, or duct modification required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern minimalist slot design\u003c\/strong\u003e for contemporary interiors and cleaner visual lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid alloy aluminum\u003c\/strong\u003e — rust-resistant, durable, and zero plastic parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall, ceiling, or low-traffic floor compatible\u003c\/strong\u003e — one diffuser, multiple install scenarios.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-directional adjustable airflow\u003c\/strong\u003e — direct air left, right, both ways, or fully closed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTÜV Rheinland tested\u003c\/strong\u003e — lead-free coating, phthalate-free materials, Prop 65 compliant, and corrosion-resistant finish.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDesigned for modern interiors, engineered for comfort\u003c\/h2\u003e\n\u003cp\u003eReplace your dated 10\" × 8\" louvered grille with a modern aluminum linear slot diffuser designed for clean architectural lines. This white surface-mount diffuser installs on walls, ceilings, and low-traffic floors, giving existing duct openings a cleaner, more intentional finish. White finish pairs naturally with white trim, light ceilings, painted walls, Scandinavian interiors, and light wood floors.\u003c\/p\u003e\n\u003ch2\u003eDesigned to upgrade, not to remodel\u003c\/h2\u003e\n\u003cp\u003eInstead of hiding an outdated grille behind furniture or paint, this diffuser turns the vent itself into a more finished architectural detail.\u003c\/p\u003e\n\u003cp\u003eInside: heavy-gauge aluminum, a multi-directional adjustable blade system, and a powder-coated finish made for everyday residential use. Outside: a clean slot profile that looks more refined than a bulky stamped grille.\u003c\/p\u003e\n\u003ch2 id=\"gv-sizing-guide\"\u003eSizing Guide — Will a 10x8 fit your space?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIMPORTANT:\u003c\/strong\u003e Measure the hole in your wall, ceiling, or floor — do not measure your old vent cover.\u003c\/p\u003e\n\u003cp\u003eThis 10x8 aluminum vent cover is designed to fit a standard 10\" × 8\" duct opening (also listed as a 8x10 wall register or 8 x 10 vent cover).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuct opening size:\u003c\/strong\u003e 10\" × 8\" (this is what you measure)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeck size:\u003c\/strong\u003e 9-3\/4\" × 7-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall face size:\u003c\/strong\u003e 11-3\/4\" × 9-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign note:\u003c\/strong\u003e Like all linear slot diffusers, this model has a narrower face panel than many traditional louvered grilles to achieve a cleaner, minimal aesthetic. It may not fully conceal the unpainted area left by an old AC vent cover — a light paint touch-up may be needed for a perfectly finished look.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQuick check:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eRemove your existing vent cover.\u003c\/li\u003e\n\u003cli\u003eMeasure the \u003cem\u003eopening\u003c\/em\u003e in the wall, ceiling, or floor — not the old cover.\u003c\/li\u003e\n\u003cli\u003eIf the opening is approximately 10\" × 8\", this 10x8 linear slot diffuser fits.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eDesigned for modern homes\u003c\/h2\u003e\n\u003cp\u003eThe 10x8 size is designed for larger bedrooms, open kitchens, family rooms, and rooms where a wider opening needs a cleaner visual finish. It provides a more substantial face while keeping the diffuser profile simple and contemporary.\u003c\/p\u003e\n\u003ch3\u003eOn the wall\u003c\/h3\u003e\n\u003cp\u003eReplaces dated stamped-steel grilles in larger bedrooms, kitchens, family rooms, and open residential spaces. The clean slot line helps the HVAC opening blend into the room instead of becoming a visual distraction.\u003c\/p\u003e\n\u003ch3\u003eOn the ceiling\u003c\/h3\u003e\n\u003cp\u003eCreates a low-profile look for finished ceilings, modern condos, kitchens, bathrooms, and basements. Use the included screws for a secure wall or ceiling installation.\u003c\/p\u003e\n\u003ch3\u003eOn the floor\u003c\/h3\u003e\n\u003cp\u003eWorks in low-traffic floor areas where a modern register-style look is preferred. For busy walkways or heavy foot traffic, choose a heavier-duty floor register.\u003c\/p\u003e\n\u003ch2\u003ePremium Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlloy aluminum construction:\u003c\/strong\u003e A heavy-gauge aluminum body with no plastic parts helps resist rust, warping, yellowing, and everyday wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean architectural finish:\u003c\/strong\u003e The powder-coated face wipes clean easily and gives walls, ceilings, or floors a sharper modern profile.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable airflow control:\u003c\/strong\u003e The built-in adjustment bar lets you direct airflow left, right, both ways, or fully closed for unused rooms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuiet slot geometry:\u003c\/strong\u003e Wider slot spacing helps air move at a controlled velocity, reducing the harsh whistle often heard from narrow-slot covers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTested Safe for Your Home:\u003c\/strong\u003e Independently tested by TÜV Rheinland across 4 safety standards — lead-free surface coating, phthalate-free materials, free of PBT toxic chemicals, and corrosion-resistant finish per ASTM B117 salt spray standard.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e5-Minute Retrofit Installation\u003c\/h2\u003e\n\u003cp\u003eDesigned as a direct replacement for standard 10\" × 8\" duct openings with no structural modification required.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Walls \u0026amp; Ceilings:\u003c\/strong\u003e Mounts with the included screws through pre-drilled hidden side holes. Only a screwdriver and the included adjustment tool are needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Floors:\u003c\/strong\u003e Drop the cover into the existing opening in low-traffic areas. Optional screws may be used for extra hold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Removable:\u003c\/strong\u003e The diffuser can be removed for cleaning, painting, maintenance, or future room updates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe loading=\"lazy\" title=\"Installation guide — Green Vent 10x8 aluminum linear slot diffuser\" src=\"https:\/\/www.youtube.com\/embed\/2NETJ1EgEis\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGreen Vent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum Linear Slot Diffuser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDuct Opening Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10\" × 8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNeck Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9-3\/4\" × 7-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall Face Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11-3\/4\" × 9-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor \/ Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite \/ Powder-coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAlloy Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShape\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRectangular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation \/ Mounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScrew-In for wall\/ceiling; drop-in for low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAirflow Direction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-directional adjustable: left \/ right \/ both \/ closed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupply air, return air, low-traffic floor register use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Surfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWall, ceiling, low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVietnam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncluded Components\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAdjustable air diffuser bar, Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e1. What size do I order — 10x8 or face size?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOrder by duct opening size. 10x8 means a 10\" × 8\" duct opening—the hole in your wall, ceiling, or floor. The visible face size of this diffuser is 11-3\/4\" × 9-3\/4\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. What is the difference between a linear slot diffuser and a regular vent cover?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA linear slot diffuser moves air through a clean continuous slot instead of a visible louvered face. The result is a more modern look and a smoother airflow pattern for residential supply or return openings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Can I install this 10x8 vent cover on a ceiling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. This 10x8 linear slot diffuser can be installed on walls, ceilings, or low-traffic floors as long as the duct opening measures 10\" × 8\". Use the included screws for wall and ceiling installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Does it include an adjustable airflow damper?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The built-in adjustment bar lets you direct airflow left, right, evenly to both sides, or fully close the blades to reduce airflow into unused rooms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. Can this diffuser be used for both supply and return air?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt can be used for supply air and many residential return openings. For high-volume returns or filtration needs, choose a dedicated Green Vent air return grille with pre-filter instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. Can I use a filter with this linear slot diffuser?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Standard filters should not be placed behind individual vent covers because they can restrict airflow and strain the HVAC system. Use a return grille with a pre-filter if filtration at the vent is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7. Is the finish paintable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The powder-coated finish is durable as shipped, but it can be lightly sanded, primed, and painted with standard spray paint for custom color matching.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8. Can this be installed outdoors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, in sheltered locations such as covered patios, garages, and enclosed porches. It is not intended for direct rain exposure.\u003c\/p\u003e\n\u003ch2\u003eExplore related Green Vent products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/10x8-vent-covers\"\u003e10x8 vent covers collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/white-linear-slot-diffusers\"\u003ewhite linear slot diffusers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/linear-slot-diffuser\"\u003elinear slot diffuser collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/air-vent-covers\"\u003emodern air vent covers\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFor multi-room projects, standardize by duct opening size and finish so the vents look consistent across the home.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"eager\" alt=\"Green Vent 10x6 aluminum linear slot diffuser in white powder-coated finish, front view\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Side angled view of 10x6 white linear slot diffuser showing extruded aluminum profile and slot depth\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_2.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 linear slot diffuser installed on white wall in modern living room\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_3.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 aluminum vent cover mounted on ceiling above contemporary kitchen island\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_4.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 white vent cover installed flush on hardwood floor near baseboard\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_5.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hand measuring 10 inch by 6 inch duct opening with tape measure for sizing reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_6.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Diagram showing duct opening 10 by 6 inches and overall face size 11.75 by 7.75 inches\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_7.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Step-by-step retrofit installation of 10x6 aluminum linear slot diffuser on drywall\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_8.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Close-up of multi-directional adjustable airflow blade on 10x6 linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_9.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hidden side-screw mounting detail on 10x6 white aluminum vent cover\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_10.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"What is in the box - 10x6 linear slot diffuser, mounting screws, and blade adjustment tool\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_11.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"TÜV Rheinland tested certification badge for Green Vent 10x6 aluminum linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_12.jpg?v=1778639719\"\u003e\u003c\/p\u003e","brand":"GREEN VENT","offers":[{"title":"Default Title","offer_id":52347646542196,"sku":"GV.DLS.108N","price":42.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/aluminum-white-linear-slot-diffuser-10x8-modern-air-vent-cover.webp?v=1769734899"},{"product_id":"10x10-aluminum-linear-slot-diffuser","title":"10x10 White Premium Aluminum Linear Slot Diffuser – Modern Design (Duct Opening)","description":"\u003cp\u003e⚠️ \u003cstrong\u003eCHECK SIZE BEFORE PURCHASE:\u003c\/strong\u003e This 10x10 linear slot diffuser fits a \u003cstrong\u003e10\" × 10\" duct opening\u003c\/strong\u003e (the hole in your wall, ceiling, or floor — not your old cover face). \u003ca href=\"#gv-sizing-guide\"\u003eSee the full 10x10 sizing guide →\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits a 10\" × 10\" duct opening\u003c\/strong\u003e — measure the hole, not your old cover face.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop-in surface-mount replacement\u003c\/strong\u003e — no drywall, flooring, or duct modification required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern minimalist slot design\u003c\/strong\u003e for contemporary interiors and cleaner visual lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid alloy aluminum\u003c\/strong\u003e — rust-resistant, durable, and zero plastic parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall, ceiling, or low-traffic floor compatible\u003c\/strong\u003e — one diffuser, multiple install scenarios.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-directional adjustable airflow\u003c\/strong\u003e — direct air left, right, both ways, or fully closed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-minute DIY installation\u003c\/strong\u003e with included mounting screws and adjustment tool.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDesigned for modern interiors, engineered for comfort\u003c\/h2\u003e\n\u003cp\u003eReplace your dated 10\" × 10\" louvered grille with a modern aluminum linear slot diffuser designed for larger square duct openings. This white surface-mount diffuser installs on walls, ceilings, and low-traffic floors, giving an existing HVAC opening a cleaner architectural finish without drywall work, flooring rework, or a contractor.\u003c\/p\u003e\n\u003ch2\u003eDesigned to upgrade, not to remodel\u003c\/h2\u003e\n\u003cp\u003eThe Green Vent 10x10 linear slot diffuser is built for homeowners who want a cleaner modern look without rebuilding the room around the vent. It surface-mounts over an existing 10\" × 10\" duct opening and keeps the installation simple for replacement projects, remodel refreshes, and multi-room upgrades.\u003c\/p\u003e\n\u003cp\u003eInside: heavy-gauge aluminum, a multi-directional adjustable blade system, and a powder-coated finish made for everyday residential use. Outside: a clean white slot profile that pairs naturally with white trim, light ceilings, painted walls, modern kitchens, bedrooms, family rooms, and finished basements.\u003c\/p\u003e\n\u003ch2 id=\"gv-sizing-guide\"\u003eSizing Guide — Will a 10x10 fit your space?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIMPORTANT:\u003c\/strong\u003e Measure the hole in your wall, ceiling, or floor — do not measure your old vent cover.\u003c\/p\u003e\n\u003cp\u003eThis 10x10 aluminum vent cover is designed to fit a standard 10\" × 10\" duct opening (also listed as a 10 x 10 vent cover or 10x10 wall register).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuct opening size:\u003c\/strong\u003e 10\" × 10\" (this is what you measure)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeck size:\u003c\/strong\u003e 9-3\/4\" × 9-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall face size:\u003c\/strong\u003e 11-3\/4\" × 11-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign note:\u003c\/strong\u003e Like all linear slot diffusers, this model has a narrower face panel than many traditional louvered grilles to achieve a cleaner, minimal aesthetic. It may not fully conceal the unpainted area left by an old AC vent cover — a light paint touch-up may be needed for a finished look.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQuick check:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eRemove your existing vent cover.\u003c\/li\u003e\n\u003cli\u003eMeasure the \u003cem\u003eopening\u003c\/em\u003e in the wall, ceiling, or floor — not the old cover.\u003c\/li\u003e\n\u003cli\u003eIf the opening is approximately 10\" × 10\", this 10x10 linear slot diffuser fits.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eDesigned for modern homes\u003c\/h2\u003e\n\u003cp\u003eThe 10x10 size works well for larger square HVAC openings in family rooms, open kitchens, finished basements, larger bedrooms, and residential spaces where a standard grille would look bulky. The square footprint gives the opening a more balanced visual profile while keeping the diffuser face clean and modern.\u003c\/p\u003e\n\u003ch3\u003eOn the wall\u003c\/h3\u003e\n\u003cp\u003eReplaces dated stamped-steel grilles in larger rooms, hallways, bedrooms, home offices, and family spaces. The clean slot line helps the HVAC opening blend into the wall instead of becoming a visual distraction.\u003c\/p\u003e\n\u003ch3\u003eOn the ceiling\u003c\/h3\u003e\n\u003cp\u003eCreates a low-profile look for finished ceilings, modern condos, kitchens, bathrooms, and basements. Use the included screws for a secure wall or ceiling installation.\u003c\/p\u003e\n\u003ch3\u003eOn the floor\u003c\/h3\u003e\n\u003cp\u003eWorks in low-traffic floor areas where a modern register-style look is preferred. For busy walkways or heavy foot traffic, choose a heavier-duty floor register.\u003c\/p\u003e\n\u003ch2\u003ePremium Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlloy aluminum construction:\u003c\/strong\u003e A heavy-gauge aluminum body with no plastic parts helps resist rust, warping, yellowing, and everyday wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean architectural finish:\u003c\/strong\u003e The white powder-coated face wipes clean easily and gives walls, ceilings, or floors a sharper modern profile.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable airflow control:\u003c\/strong\u003e The built-in adjustment bar lets you direct airflow left, right, both ways, or fully closed for unused rooms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuiet slot geometry:\u003c\/strong\u003e Wider slot spacing helps air move at a controlled velocity, reducing the harsh whistle often heard from narrow-slot covers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrafted for U.S. homes:\u003c\/strong\u003e Designed for modern residential interiors where homeowners want a cleaner alternative to traditional louvered grilles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e5-Minute Retrofit Installation\u003c\/h2\u003e\n\u003cp\u003eDesigned as a direct replacement for standard 10\" × 10\" duct openings with no structural modification required.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Walls \u0026amp; Ceilings:\u003c\/strong\u003e Mounts with the included screws through pre-drilled hidden side holes. Only a screwdriver and the included adjustment tool are needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Floors:\u003c\/strong\u003e Drop the cover into the existing opening in low-traffic areas. Optional screws may be used for extra hold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Removable:\u003c\/strong\u003e The diffuser can be removed for cleaning, painting, maintenance, or future room updates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe loading=\"lazy\" title=\"Installation guide — Green Vent 10x10 aluminum linear slot diffuser\" src=\"https:\/\/www.youtube.com\/embed\/2NETJ1EgEis\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGreen Vent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart \/ Model Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10\" × 10\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDuct Opening Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10\" × 10\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNeck Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9-3\/4\" × 9-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall Face Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11-3\/4\" × 11-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor \/ Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite \/ Powder-coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAlloy Aluminum (zero plastic)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShape\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSquare\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation \/ Mounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScrew-In (wall\/ceiling); Drop-In (floor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAirflow Direction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-directional adjustable (left \/ right \/ both \/ closed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupply Air, Return Air, Floor Register\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Surfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWall, Ceiling, Low-traffic Floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVietnam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncluded Components\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAdjustable air diffuser bar, Mounting screws\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e1. What size do I order — 10x10 or face size?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOrder by duct opening size. \"10x10\" means a 10\" × 10\" duct opening — the hole in your wall, ceiling, or floor. The face size is 11-3\/4\" × 11-3\/4\"; that is the visible cover, not the size to match.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. What's the difference between a linear slot diffuser and a regular vent cover?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA linear slot diffuser moves air through a clean continuous slot instead of a visible louvered face. The result is a more modern look and a smoother airflow pattern for residential supply or return openings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Can I install this 10x10 vent cover on a ceiling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. This 10x10 linear slot diffuser can be installed on walls, ceilings, or low-traffic floors as long as the duct opening measures 10\" × 10\". Use the included screws for wall and ceiling installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Does it include an adjustable airflow damper?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The built-in adjustment bar lets you direct airflow left, right, evenly to both sides, or fully close the blades to reduce airflow into unused rooms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. Can this diffuser be used for both supply and return air?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt can be used for supply air and many residential return openings. For high-volume returns or filtration needs, choose a dedicated Green Vent air return grille with pre-filter instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. Can I use a filter with this linear slot diffuser?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Standard filters should not be placed behind individual vent covers because they can restrict airflow and strain the HVAC system. Use a return grille with a pre-filter if filtration at the vent is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7. Is the finish paintable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The powder-coated finish is durable as shipped, but it can be lightly sanded, primed, and painted with standard spray paint for custom color matching.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8. Can this be installed outdoors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, in sheltered locations such as covered patios, garages, and enclosed porches. It is not intended for direct rain exposure.\u003c\/p\u003e\n\u003ch2\u003eExplore related Green Vent products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/10x10-vent-covers\"\u003e10x10 vent covers collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/products\/10x10-air-return-grille-pre-filter\"\u003e10x10 air return grille with pre-filter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/linear-slot-diffuser\"\u003elinear slot diffuser collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/air-vent-covers\"\u003emodern air vent covers\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFor larger square openings, confirm duct opening size before ordering. The most common mistake is measuring the old cover face instead of the actual duct hole.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"eager\" alt=\"Green Vent 10x6 aluminum linear slot diffuser in white powder-coated finish, front view\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Side angled view of 10x6 white linear slot diffuser showing extruded aluminum profile and slot depth\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_2.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 linear slot diffuser installed on white wall in modern living room\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_3.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 aluminum vent cover mounted on ceiling above contemporary kitchen island\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_4.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 white vent cover installed flush on hardwood floor near baseboard\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_5.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hand measuring 10 inch by 6 inch duct opening with tape measure for sizing reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_6.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Diagram showing duct opening 10 by 6 inches and overall face size 11.75 by 7.75 inches\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_7.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Step-by-step retrofit installation of 10x6 aluminum linear slot diffuser on drywall\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_8.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Close-up of multi-directional adjustable airflow blade on 10x6 linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_9.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hidden side-screw mounting detail on 10x6 white aluminum vent cover\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_10.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"What is in the box - 10x6 linear slot diffuser, mounting screws, and blade adjustment tool\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_11.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"TÜV Rheinland tested certification badge for Green Vent 10x6 aluminum linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_12.jpg?v=1778639719\"\u003e\u003c\/p\u003e","brand":"GREEN VENT","offers":[{"title":"Default Title","offer_id":52347647164788,"sku":"GV.LSD.101N","price":50.23,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/aluminum-white-linear-slot-diffuser-10x10-modern-air-vent-cover.webp?v=1769734729"},{"product_id":"12x4-aluminum-linear-slot-diffuser","title":"12x4 White Premium Aluminum Linear Slot Diffuser – Modern Design (Duct Opening)","description":"\u003cp\u003e⚠️ \u003cstrong\u003eCHECK SIZE BEFORE PURCHASE:\u003c\/strong\u003e This 12x4 linear slot diffuser fits a \u003cstrong\u003e12\" × 4\" duct opening\u003c\/strong\u003e (the hole in your wall, ceiling, or floor — not your old cover face). \u003ca href=\"#gv-sizing-guide\"\u003eSee the full 12x4 sizing guide →\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits a 12\" × 4\" duct opening\u003c\/strong\u003e — measure the hole, not your old cover face.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop-in surface-mount replacement\u003c\/strong\u003e — no drywall, flooring, or duct modification required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern minimalist slot design\u003c\/strong\u003e for contemporary interiors and cleaner visual lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid alloy aluminum\u003c\/strong\u003e — rust-resistant, durable, and zero plastic parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall, ceiling, or low-traffic floor compatible\u003c\/strong\u003e — one diffuser, multiple install scenarios.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-directional adjustable airflow\u003c\/strong\u003e — direct air left, right, both ways, or fully closed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTÜV Rheinland tested\u003c\/strong\u003e — lead-free coating, phthalate-free materials, Prop 65 compliant, and corrosion-resistant finish.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDesigned for modern interiors, engineered for comfort\u003c\/h2\u003e\n\u003cp\u003eSwap an old 12\" × 4\" stamped-steel register for a cleaner aluminum diffuser with adjustable, multi-directional airflow. This white surface-mount diffuser installs on walls, ceilings, and low-traffic floors, giving existing duct openings a cleaner, more intentional finish. White finish pairs naturally with white trim, light ceilings, painted walls, Scandinavian interiors, and light wood floors.\u003c\/p\u003e\n\u003ch2\u003eDesigned to upgrade, not to remodel\u003c\/h2\u003e\n\u003cp\u003eThis is a replacement-first diffuser, not a construction-only vent. It is designed to sit over an existing opening and deliver a cleaner finish with less visual clutter than a traditional grille.\u003c\/p\u003e\n\u003cp\u003eInside: heavy-gauge aluminum, a multi-directional adjustable blade system, and a powder-coated finish made for everyday residential use. Outside: a clean slot profile that looks more refined than a bulky stamped grille.\u003c\/p\u003e\n\u003ch2 id=\"gv-sizing-guide\"\u003eSizing Guide — Will a 12x4 fit your space?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIMPORTANT:\u003c\/strong\u003e Measure the hole in your wall, ceiling, or floor — do not measure your old vent cover.\u003c\/p\u003e\n\u003cp\u003eThis 12x4 aluminum vent cover is designed to fit a standard 12\" × 4\" duct opening (also listed as a 4x12 wall register or 4 x 12 vent cover).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuct opening size:\u003c\/strong\u003e 12\" × 4\" (this is what you measure)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeck size:\u003c\/strong\u003e 11-3\/4\" × 3-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall face size:\u003c\/strong\u003e 13-3\/4\" × 5-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign note:\u003c\/strong\u003e Like all linear slot diffusers, this model has a narrower face panel than many traditional louvered grilles to achieve a cleaner, minimal aesthetic. It may not fully conceal the unpainted area left by an old AC vent cover — a light paint touch-up may be needed for a perfectly finished look.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQuick check:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eRemove your existing vent cover.\u003c\/li\u003e\n\u003cli\u003eMeasure the \u003cem\u003eopening\u003c\/em\u003e in the wall, ceiling, or floor — not the old cover.\u003c\/li\u003e\n\u003cli\u003eIf the opening is approximately 12\" × 4\", this 12x4 linear slot diffuser fits.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eDesigned for modern homes\u003c\/h2\u003e\n\u003cp\u003eThe 12x4 size fits long narrow openings in hallways, bedrooms, living rooms, and ceiling runs where a standard grille can look too busy. The linear face turns that opening into a cleaner architectural detail while keeping the installation straightforward.\u003c\/p\u003e\n\u003ch3\u003eOn the wall\u003c\/h3\u003e\n\u003cp\u003eReplaces dated stamped-steel grilles in hallways, bedrooms, living rooms, and long ceiling or wall runs. The clean slot line helps the HVAC opening blend into the room instead of becoming a visual distraction.\u003c\/p\u003e\n\u003ch3\u003eOn the ceiling\u003c\/h3\u003e\n\u003cp\u003eCreates a low-profile look for finished ceilings, modern condos, kitchens, bathrooms, and basements. Use the included screws for a secure wall or ceiling installation.\u003c\/p\u003e\n\u003ch3\u003eOn the floor\u003c\/h3\u003e\n\u003cp\u003eWorks in low-traffic floor areas where a modern register-style look is preferred. For busy walkways or heavy foot traffic, choose a heavier-duty floor register.\u003c\/p\u003e\n\u003ch2\u003ePremium Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo-plastic construction:\u003c\/strong\u003e Aluminum construction gives the diffuser a more premium feel than plastic covers and helps prevent cracking or yellowing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern surface-mount design:\u003c\/strong\u003e The face sits cleanly over the duct opening, making it ideal for retrofit projects and design upgrades.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComfort-focused airflow:\u003c\/strong\u003e The adjustable blade system helps distribute conditioned air more evenly across the room.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReusable and removable:\u003c\/strong\u003e The unit can be removed for cleaning, painting, maintenance, or future room updates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTested Safe for Your Home:\u003c\/strong\u003e Independently tested by TÜV Rheinland across 4 safety standards — lead-free surface coating, phthalate-free materials, free of PBT toxic chemicals, and corrosion-resistant finish per ASTM B117 salt spray standard.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e5-Minute Retrofit Installation\u003c\/h2\u003e\n\u003cp\u003eDesigned as a direct replacement for standard 12\" × 4\" duct openings with no structural modification required.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Walls \u0026amp; Ceilings:\u003c\/strong\u003e Mounts with the included screws through pre-drilled hidden side holes. Only a screwdriver and the included adjustment tool are needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Floors:\u003c\/strong\u003e Drop the cover into the existing opening in low-traffic areas. Optional screws may be used for extra hold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Removable:\u003c\/strong\u003e The diffuser can be removed for cleaning, painting, maintenance, or future room updates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe loading=\"lazy\" title=\"Installation guide — Green Vent 12x4 aluminum linear slot diffuser\" src=\"https:\/\/www.youtube.com\/embed\/2NETJ1EgEis\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGreen Vent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum Linear Slot Diffuser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDuct Opening Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12\" × 4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNeck Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11-3\/4\" × 3-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall Face Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13-3\/4\" × 5-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor \/ Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite \/ Powder-coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAlloy Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShape\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRectangular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation \/ Mounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScrew-In for wall\/ceiling; drop-in for low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAirflow Direction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-directional adjustable: left \/ right \/ both \/ closed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupply air, return air, low-traffic floor register use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Surfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWall, ceiling, low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVietnam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncluded Components\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAdjustable air diffuser bar, Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e1. What size do I order — 12x4 or face size?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOrder by duct opening size. 12x4 means a 12\" × 4\" duct opening—the hole in your wall, ceiling, or floor. The visible face size of this diffuser is 13-3\/4\" × 5-3\/4\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. What is the difference between a linear slot diffuser and a regular vent cover?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA linear slot diffuser moves air through a clean continuous slot instead of a visible louvered face. The result is a more modern look and a smoother airflow pattern for residential supply or return openings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Can I install this 12x4 vent cover on a ceiling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. This 12x4 linear slot diffuser can be installed on walls, ceilings, or low-traffic floors as long as the duct opening measures 12\" × 4\". Use the included screws for wall and ceiling installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Does it include an adjustable airflow damper?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The built-in adjustment bar lets you direct airflow left, right, evenly to both sides, or fully close the blades to reduce airflow into unused rooms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. Can this diffuser be used for both supply and return air?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt can be used for supply air and many residential return openings. For high-volume returns or filtration needs, choose a dedicated Green Vent air return grille with pre-filter instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. Can I use a filter with this linear slot diffuser?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Standard filters should not be placed behind individual vent covers because they can restrict airflow and strain the HVAC system. Use a return grille with a pre-filter if filtration at the vent is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7. Is the finish paintable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The powder-coated finish is durable as shipped, but it can be lightly sanded, primed, and painted with standard spray paint for custom color matching.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8. Can this be installed outdoors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, in sheltered locations such as covered patios, garages, and enclosed porches. It is not intended for direct rain exposure.\u003c\/p\u003e\n\u003ch2\u003eExplore related Green Vent products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/products\/12x4-black-aluminum-linear-slot-diffuser\"\u003e12x4 black aluminum linear slot diffuser\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/12x4-vent-covers\"\u003e12x4 vent covers collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/white-linear-slot-diffusers\"\u003ewhite linear slot diffusers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/linear-slot-diffuser\"\u003elinear slot diffuser collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/air-vent-covers\"\u003emodern air vent covers\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFor multi-room projects, standardize by duct opening size and finish so the vents look consistent across the home.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"eager\" alt=\"Green Vent 10x6 aluminum linear slot diffuser in white powder-coated finish, front view\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Side angled view of 10x6 white linear slot diffuser showing extruded aluminum profile and slot depth\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_2.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 linear slot diffuser installed on white wall in modern living room\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_3.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 aluminum vent cover mounted on ceiling above contemporary kitchen island\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_4.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 white vent cover installed flush on hardwood floor near baseboard\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_5.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hand measuring 10 inch by 6 inch duct opening with tape measure for sizing reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_6.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Diagram showing duct opening 10 by 6 inches and overall face size 11.75 by 7.75 inches\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_7.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Step-by-step retrofit installation of 10x6 aluminum linear slot diffuser on drywall\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_8.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Close-up of multi-directional adjustable airflow blade on 10x6 linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_9.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hidden side-screw mounting detail on 10x6 white aluminum vent cover\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_10.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"What is in the box - 10x6 linear slot diffuser, mounting screws, and blade adjustment tool\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_11.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"TÜV Rheinland tested certification badge for Green Vent 10x6 aluminum linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_12.jpg?v=1778639719\"\u003e\u003c\/p\u003e","brand":"GREEN VENT","offers":[{"title":"Default Title","offer_id":52347647885684,"sku":"GV.DLS.124N","price":31.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/aluminum-white-linear-slot-diffuser-12x4-modern-air-vent-cover.webp?v=1769734601"},{"product_id":"12x6-aluminum-linear-slot-diffuser","title":"12x6 White Premium Aluminum Linear Slot Diffuser – Modern Design (Duct Opening)","description":"\u003cp\u003e⚠️ \u003cstrong\u003eCHECK SIZE BEFORE PURCHASE:\u003c\/strong\u003e This 12x6 linear slot diffuser fits a \u003cstrong\u003e12\" × 6\" duct opening\u003c\/strong\u003e (the hole in your wall, ceiling, or floor — not your old cover face). \u003ca href=\"#gv-sizing-guide\"\u003eSee the full 12x6 sizing guide →\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits a 12\" × 6\" duct opening\u003c\/strong\u003e — measure the hole, not your old cover face.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop-in surface-mount replacement\u003c\/strong\u003e — no drywall, flooring, or duct modification required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern minimalist slot design\u003c\/strong\u003e for contemporary interiors and cleaner visual lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid alloy aluminum\u003c\/strong\u003e — rust-resistant, durable, and zero plastic parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall, ceiling, or low-traffic floor compatible\u003c\/strong\u003e — one diffuser, multiple install scenarios.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-directional adjustable airflow\u003c\/strong\u003e — direct air left, right, both ways, or fully closed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTÜV Rheinland tested\u003c\/strong\u003e — lead-free coating, phthalate-free materials, Prop 65 compliant, and corrosion-resistant finish.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDesigned for modern interiors, engineered for comfort\u003c\/h2\u003e\n\u003cp\u003eReplace your dated 12\" × 6\" louvered grille with a modern aluminum linear slot diffuser designed for clean architectural lines. This white surface-mount diffuser installs on walls, ceilings, and low-traffic floors, giving existing duct openings a cleaner, more intentional finish. White finish pairs naturally with white trim, light ceilings, painted walls, Scandinavian interiors, and light wood floors.\u003c\/p\u003e\n\u003ch2\u003eDesigned to upgrade, not to remodel\u003c\/h2\u003e\n\u003cp\u003eFor homeowners who want a modern look without contractor work, this diffuser is a practical replacement path. It covers the duct opening with a clean slot profile and installs with basic tools.\u003c\/p\u003e\n\u003cp\u003eInside: heavy-gauge aluminum, a multi-directional adjustable blade system, and a powder-coated finish made for everyday residential use. Outside: a clean slot profile that looks more refined than a bulky stamped grille.\u003c\/p\u003e\n\u003ch2 id=\"gv-sizing-guide\"\u003eSizing Guide — Will a 12x6 fit your space?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIMPORTANT:\u003c\/strong\u003e Measure the hole in your wall, ceiling, or floor — do not measure your old vent cover.\u003c\/p\u003e\n\u003cp\u003eThis 12x6 aluminum vent cover is designed to fit a standard 12\" × 6\" duct opening (also listed as a 6x12 wall register or 6 x 12 vent cover).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuct opening size:\u003c\/strong\u003e 12\" × 6\" (this is what you measure)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeck size:\u003c\/strong\u003e 11-3\/4\" × 5-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall face size:\u003c\/strong\u003e 13-3\/4\" × 7-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign note:\u003c\/strong\u003e Like all linear slot diffusers, this model has a narrower face panel than many traditional louvered grilles to achieve a cleaner, minimal aesthetic. It may not fully conceal the unpainted area left by an old AC vent cover — a light paint touch-up may be needed for a perfectly finished look.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQuick check:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eRemove your existing vent cover.\u003c\/li\u003e\n\u003cli\u003eMeasure the \u003cem\u003eopening\u003c\/em\u003e in the wall, ceiling, or floor — not the old cover.\u003c\/li\u003e\n\u003cli\u003eIf the opening is approximately 12\" × 6\", this 12x6 linear slot diffuser fits.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eDesigned for modern homes\u003c\/h2\u003e\n\u003cp\u003eThe 12x6 size is a common choice for master bedrooms, open living rooms, kitchens, and basement family rooms where the opening needs more coverage than compact registers. It balances airflow control, modern appearance, and retrofit simplicity.\u003c\/p\u003e\n\u003ch3\u003eOn the wall\u003c\/h3\u003e\n\u003cp\u003eReplaces dated stamped-steel grilles in master bedrooms, open living rooms, kitchens, and basement family rooms. The clean slot line helps the HVAC opening blend into the room instead of becoming a visual distraction.\u003c\/p\u003e\n\u003ch3\u003eOn the ceiling\u003c\/h3\u003e\n\u003cp\u003eCreates a low-profile look for finished ceilings, modern condos, kitchens, bathrooms, and basements. Use the included screws for a secure wall or ceiling installation.\u003c\/p\u003e\n\u003ch3\u003eOn the floor\u003c\/h3\u003e\n\u003cp\u003eWorks in low-traffic floor areas where a modern register-style look is preferred. For busy walkways or heavy foot traffic, choose a heavier-duty floor register.\u003c\/p\u003e\n\u003ch2\u003ePremium Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo-plastic construction:\u003c\/strong\u003e Aluminum construction gives the diffuser a more premium feel than plastic covers and helps prevent cracking or yellowing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern surface-mount design:\u003c\/strong\u003e The face sits cleanly over the duct opening, making it ideal for retrofit projects and design upgrades.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComfort-focused airflow:\u003c\/strong\u003e The adjustable blade system helps distribute conditioned air more evenly across the room.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReusable and removable:\u003c\/strong\u003e The unit can be removed for cleaning, painting, maintenance, or future room updates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTested Safe for Your Home:\u003c\/strong\u003e Independently tested by TÜV Rheinland across 4 safety standards — lead-free surface coating, phthalate-free materials, free of PBT toxic chemicals, and corrosion-resistant finish per ASTM B117 salt spray standard.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e5-Minute Retrofit Installation\u003c\/h2\u003e\n\u003cp\u003eDesigned as a direct replacement for standard 12\" × 6\" duct openings with no structural modification required.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Walls \u0026amp; Ceilings:\u003c\/strong\u003e Mounts with the included screws through pre-drilled hidden side holes. Only a screwdriver and the included adjustment tool are needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Floors:\u003c\/strong\u003e Drop the cover into the existing opening in low-traffic areas. Optional screws may be used for extra hold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Removable:\u003c\/strong\u003e The diffuser can be removed for cleaning, painting, maintenance, or future room updates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe loading=\"lazy\" title=\"Installation guide — Green Vent 12x6 aluminum linear slot diffuser\" src=\"https:\/\/www.youtube.com\/embed\/2NETJ1EgEis\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGreen Vent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum Linear Slot Diffuser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDuct Opening Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12\" × 6\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNeck Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11-3\/4\" × 5-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall Face Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13-3\/4\" × 7-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor \/ Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite \/ Powder-coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAlloy Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShape\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRectangular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation \/ Mounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScrew-In for wall\/ceiling; drop-in for low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAirflow Direction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-directional adjustable: left \/ right \/ both \/ closed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupply air, return air, low-traffic floor register use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Surfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWall, ceiling, low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVietnam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncluded Components\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAdjustable air diffuser bar, Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e1. What size do I order — 12x6 or face size?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOrder by duct opening size. 12x6 means a 12\" × 6\" duct opening—the hole in your wall, ceiling, or floor. The visible face size of this diffuser is 13-3\/4\" × 7-3\/4\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. Why choose a linear slot diffuser instead of a standard grille?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA standard grille is usually more visible and traditional. A linear slot diffuser creates a cleaner architectural line while still giving you airflow adjustment for everyday comfort.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Can I install this 12x6 vent cover on a ceiling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. This 12x6 linear slot diffuser can be installed on walls, ceilings, or low-traffic floors as long as the duct opening measures 12\" × 6\". Use the included screws for wall and ceiling installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Does it include an adjustable airflow damper?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The built-in adjustment bar lets you direct airflow left, right, evenly to both sides, or fully close the blades to reduce airflow into unused rooms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. Can this diffuser be used for both supply and return air?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt can be used for supply air and many residential return openings. For high-volume returns or filtration needs, choose a dedicated \u003ca href=\"https:\/\/www.greenvent.us\/products\/12x6-air-return-grille-pre-filter\"\u003e12x6 air return grille with pre-filter\u003c\/a\u003e instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. Can I use a filter with this linear slot diffuser?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Standard filters should not be placed behind individual vent covers because they can restrict airflow and strain the HVAC system. Use a return grille with a pre-filter if filtration at the vent is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7. Is the finish paintable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The powder-coated finish is durable as shipped, but it can be lightly sanded, primed, and painted with standard spray paint for custom color matching.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8. Can this be installed outdoors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, in sheltered locations such as covered patios, garages, and enclosed porches. It is not intended for direct rain exposure.\u003c\/p\u003e\n\u003ch2\u003eExplore related Green Vent products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/products\/12x6-black-aluminum-linear-slot-diffuser\"\u003e12x6 black aluminum linear slot diffuser\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/products\/12x6-air-return-grille-pre-filter\"\u003e12x6 air return grille with pre-filter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/12x6-vent-covers\"\u003e12x6 vent covers collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/white-linear-slot-diffusers\"\u003ewhite linear slot diffusers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/linear-slot-diffuser\"\u003elinear slot diffuser collection\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFor multi-room projects, standardize by duct opening size and finish so the vents look consistent across the home.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"eager\" alt=\"Green Vent 10x6 aluminum linear slot diffuser in white powder-coated finish, front view\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Side angled view of 10x6 white linear slot diffuser showing extruded aluminum profile and slot depth\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_2.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 linear slot diffuser installed on white wall in modern living room\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_3.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 aluminum vent cover mounted on ceiling above contemporary kitchen island\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_4.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 white vent cover installed flush on hardwood floor near baseboard\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_5.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hand measuring 10 inch by 6 inch duct opening with tape measure for sizing reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_6.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Diagram showing duct opening 10 by 6 inches and overall face size 11.75 by 7.75 inches\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_7.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Step-by-step retrofit installation of 10x6 aluminum linear slot diffuser on drywall\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_8.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Close-up of multi-directional adjustable airflow blade on 10x6 linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_9.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hidden side-screw mounting detail on 10x6 white aluminum vent cover\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_10.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"What is in the box - 10x6 linear slot diffuser, mounting screws, and blade adjustment tool\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_11.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"TÜV Rheinland tested certification badge for Green Vent 10x6 aluminum linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_12.jpg?v=1778639719\"\u003e\u003c\/p\u003e","brand":"GREEN VENT","offers":[{"title":"Default Title","offer_id":52347648246132,"sku":"GV.DLS.126N","price":38.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/aluminum-white-linear-slot-diffuser-12x6-modern-air-vent-cover.webp?v=1769734492"},{"product_id":"12x8-aluminum-linear-slot-diffuser","title":"12x8 White Premium Aluminum Linear Slot Diffuser – Modern Design (Duct Opening)","description":"\u003cp\u003e⚠️ \u003cstrong\u003eCHECK SIZE BEFORE PURCHASE:\u003c\/strong\u003e This 12x8 linear slot diffuser fits a \u003cstrong\u003e12\" × 8\" duct opening\u003c\/strong\u003e (the hole in your wall, ceiling, or floor — not your old cover face). \u003ca href=\"#gv-sizing-guide\"\u003eSee the full 12x8 sizing guide →\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits a 12\" × 8\" duct opening\u003c\/strong\u003e — measure the hole, not your old cover face.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop-in surface-mount replacement\u003c\/strong\u003e — no drywall, flooring, or duct modification required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern minimalist slot design\u003c\/strong\u003e for contemporary interiors and cleaner visual lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid alloy aluminum\u003c\/strong\u003e — rust-resistant, durable, and zero plastic parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall, ceiling, or low-traffic floor compatible\u003c\/strong\u003e — one diffuser, multiple install scenarios.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-directional adjustable airflow\u003c\/strong\u003e — direct air left, right, both ways, or fully closed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTÜV Rheinland tested\u003c\/strong\u003e — lead-free coating, phthalate-free materials, Prop 65 compliant, and corrosion-resistant finish.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDesigned for modern interiors, engineered for comfort\u003c\/h2\u003e\n\u003cp\u003eModernize your 12\" × 8\" vent opening with a low-profile linear slot diffuser that works on walls, ceilings, and low-traffic floors. This white surface-mount diffuser installs on walls, ceilings, and low-traffic floors, giving existing duct openings a cleaner, more intentional finish. White finish pairs naturally with white trim, light ceilings, painted walls, Scandinavian interiors, and light wood floors.\u003c\/p\u003e\n\u003ch2\u003eDesigned to upgrade, not to remodel\u003c\/h2\u003e\n\u003cp\u003eMost modern flush vents are designed for new flooring or drywall work. This Green Vent model is built for real replacement projects: remove the old cover, confirm the duct opening, mount the new diffuser, and adjust the airflow.\u003c\/p\u003e\n\u003cp\u003eInside: heavy-gauge aluminum, a multi-directional adjustable blade system, and a powder-coated finish made for everyday residential use. Outside: a clean slot profile that looks more refined than a bulky stamped grille.\u003c\/p\u003e\n\u003ch2 id=\"gv-sizing-guide\"\u003eSizing Guide — Will a 12x8 fit your space?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIMPORTANT:\u003c\/strong\u003e Measure the hole in your wall, ceiling, or floor — do not measure your old vent cover.\u003c\/p\u003e\n\u003cp\u003eThis 12x8 aluminum vent cover is designed to fit a standard 12\" × 8\" duct opening (also listed as a 8x12 wall register or 8 x 12 vent cover).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuct opening size:\u003c\/strong\u003e 12\" × 8\" (this is what you measure)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeck size:\u003c\/strong\u003e 11-3\/4\" × 7-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall face size:\u003c\/strong\u003e 13-3\/4\" × 9-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign note:\u003c\/strong\u003e Like all linear slot diffusers, this model has a narrower face panel than many traditional louvered grilles to achieve a cleaner, minimal aesthetic. It may not fully conceal the unpainted area left by an old AC vent cover — a light paint touch-up may be needed for a perfectly finished look.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQuick check:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eRemove your existing vent cover.\u003c\/li\u003e\n\u003cli\u003eMeasure the \u003cem\u003eopening\u003c\/em\u003e in the wall, ceiling, or floor — not the old cover.\u003c\/li\u003e\n\u003cli\u003eIf the opening is approximately 12\" × 8\", this 12x8 linear slot diffuser fits.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eDesigned for modern homes\u003c\/h2\u003e\n\u003cp\u003eThe 12x8 size works best in large bedrooms, great rooms, open-plan areas, and spaces with higher airflow demand. It gives a larger duct opening a finished modern look without shifting into a construction-only mud-in diffuser.\u003c\/p\u003e\n\u003ch3\u003eOn the wall\u003c\/h3\u003e\n\u003cp\u003eReplaces dated stamped-steel grilles in large bedrooms, great rooms, open-plan areas, and larger ceiling openings. The clean slot line helps the HVAC opening blend into the room instead of becoming a visual distraction.\u003c\/p\u003e\n\u003ch3\u003eOn the ceiling\u003c\/h3\u003e\n\u003cp\u003eCreates a low-profile look for finished ceilings, modern condos, kitchens, bathrooms, and basements. Use the included screws for a secure wall or ceiling installation.\u003c\/p\u003e\n\u003ch3\u003eOn the floor\u003c\/h3\u003e\n\u003cp\u003eWorks in low-traffic floor areas where a modern register-style look is preferred. For busy walkways or heavy foot traffic, choose a heavier-duty floor register.\u003c\/p\u003e\n\u003ch2\u003ePremium Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlloy aluminum construction:\u003c\/strong\u003e A heavy-gauge aluminum body with no plastic parts helps resist rust, warping, yellowing, and everyday wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean architectural finish:\u003c\/strong\u003e The powder-coated face wipes clean easily and gives walls, ceilings, or floors a sharper modern profile.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable airflow control:\u003c\/strong\u003e The built-in adjustment bar lets you direct airflow left, right, both ways, or fully closed for unused rooms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuiet slot geometry:\u003c\/strong\u003e Wider slot spacing helps air move at a controlled velocity, reducing the harsh whistle often heard from narrow-slot covers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTested Safe for Your Home:\u003c\/strong\u003e Independently tested by TÜV Rheinland across 4 safety standards — lead-free surface coating, phthalate-free materials, free of PBT toxic chemicals, and corrosion-resistant finish per ASTM B117 salt spray standard.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e5-Minute Retrofit Installation\u003c\/h2\u003e\n\u003cp\u003eDesigned as a direct replacement for standard 12\" × 8\" duct openings with no structural modification required.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Walls \u0026amp; Ceilings:\u003c\/strong\u003e Mounts with the included screws through pre-drilled hidden side holes. Only a screwdriver and the included adjustment tool are needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Floors:\u003c\/strong\u003e Drop the cover into the existing opening in low-traffic areas. Optional screws may be used for extra hold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Removable:\u003c\/strong\u003e The diffuser can be removed for cleaning, painting, maintenance, or future room updates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe loading=\"lazy\" title=\"Installation guide — Green Vent 12x8 aluminum linear slot diffuser\" src=\"https:\/\/www.youtube.com\/embed\/2NETJ1EgEis\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGreen Vent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum Linear Slot Diffuser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDuct Opening Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12\" × 8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNeck Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11-3\/4\" × 7-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall Face Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13-3\/4\" × 9-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor \/ Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite \/ Powder-coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAlloy Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShape\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRectangular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation \/ Mounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScrew-In for wall\/ceiling; drop-in for low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAirflow Direction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-directional adjustable: left \/ right \/ both \/ closed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupply air, return air, low-traffic floor register use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Surfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWall, ceiling, low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVietnam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncluded Components\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAdjustable air diffuser bar, Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e1. What size do I order — 12x8 or face size?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOrder by duct opening size. 12x8 means a 12\" × 8\" duct opening—the hole in your wall, ceiling, or floor. The visible face size of this diffuser is 13-3\/4\" × 9-3\/4\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. What is the difference between a linear slot diffuser and a regular vent cover?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA linear slot diffuser moves air through a clean continuous slot instead of a visible louvered face. The result is a more modern look and a smoother airflow pattern for residential supply or return openings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Can I install this 12x8 vent cover on a ceiling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. This 12x8 linear slot diffuser can be installed on walls, ceilings, or low-traffic floors as long as the duct opening measures 12\" × 8\". Use the included screws for wall and ceiling installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Does it include an adjustable airflow damper?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The built-in adjustment bar lets you direct airflow left, right, evenly to both sides, or fully close the blades to reduce airflow into unused rooms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. Can this diffuser be used for both supply and return air?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt can be used for supply air and many residential return openings. For high-volume returns or filtration needs, choose a dedicated Green Vent air return grille with pre-filter instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. Can I use a filter with this linear slot diffuser?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Standard filters should not be placed behind individual vent covers because they can restrict airflow and strain the HVAC system. Use a return grille with a pre-filter if filtration at the vent is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7. Is the finish paintable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The powder-coated finish is durable as shipped, but it can be lightly sanded, primed, and painted with standard spray paint for custom color matching.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8. Can this be installed outdoors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, in sheltered locations such as covered patios, garages, and enclosed porches. It is not intended for direct rain exposure.\u003c\/p\u003e\n\u003ch2\u003eExplore related Green Vent products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/12x8-vent-covers\"\u003e12x8 vent covers collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/white-linear-slot-diffusers\"\u003ewhite linear slot diffusers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/linear-slot-diffuser\"\u003elinear slot diffuser collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/air-vent-covers\"\u003emodern air vent covers\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eStill comparing sizes? Use the duct opening—not the old cover face—as your source of truth, then pick the finish that matches your interior.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"eager\" alt=\"Green Vent 10x6 aluminum linear slot diffuser in white powder-coated finish, front view\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Side angled view of 10x6 white linear slot diffuser showing extruded aluminum profile and slot depth\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_2.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 linear slot diffuser installed on white wall in modern living room\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_3.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 aluminum vent cover mounted on ceiling above contemporary kitchen island\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_4.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 white vent cover installed flush on hardwood floor near baseboard\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_5.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hand measuring 10 inch by 6 inch duct opening with tape measure for sizing reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_6.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Diagram showing duct opening 10 by 6 inches and overall face size 11.75 by 7.75 inches\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_7.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Step-by-step retrofit installation of 10x6 aluminum linear slot diffuser on drywall\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_8.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Close-up of multi-directional adjustable airflow blade on 10x6 linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_9.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hidden side-screw mounting detail on 10x6 white aluminum vent cover\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_10.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"What is in the box - 10x6 linear slot diffuser, mounting screws, and blade adjustment tool\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_11.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"TÜV Rheinland tested certification badge for Green Vent 10x6 aluminum linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_12.jpg?v=1778639719\"\u003e\u003c\/p\u003e","brand":"GREEN VENT","offers":[{"title":"Default Title","offer_id":52347649065332,"sku":"GV.DLS.128N","price":47.83,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/aluminum-white-linear-slot-diffuser-12x8-modern-air-vent-cover.webp?v=1769734379"},{"product_id":"12x12-aluminum-linear-slot-diffuser","title":"12x12 White Premium Aluminum Linear Slot Diffuser – Modern Design (Duct Opening)","description":"\u003cp\u003e⚠️ \u003cstrong\u003eCHECK SIZE BEFORE PURCHASE:\u003c\/strong\u003e This 12x12 linear slot diffuser fits a \u003cstrong\u003e12\" × 12\" duct opening\u003c\/strong\u003e (the hole in your wall, ceiling, or floor — not your old cover face). \u003ca href=\"#gv-sizing-guide\"\u003eSee the full 12x12 sizing guide →\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits a 12\" × 12\" duct opening\u003c\/strong\u003e — measure the hole, not your old cover face.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop-in surface-mount replacement\u003c\/strong\u003e — no drywall, flooring, or duct modification required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern minimalist slot design\u003c\/strong\u003e for contemporary interiors and cleaner visual lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid alloy aluminum\u003c\/strong\u003e — rust-resistant, durable, and zero plastic parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall, ceiling, or low-traffic floor compatible\u003c\/strong\u003e — one diffuser, multiple install scenarios.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-directional adjustable airflow\u003c\/strong\u003e — direct air left, right, both ways, or fully closed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTÜV Rheinland tested\u003c\/strong\u003e — lead-free coating, phthalate-free materials, Prop 65 compliant, and corrosion-resistant finish.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDesigned for modern interiors, engineered for comfort\u003c\/h2\u003e\n\u003cp\u003eGive your 12\" × 12\" vent opening a contemporary finish with a durable aluminum linear slot diffuser—no remodeling required. This white surface-mount diffuser installs on walls, ceilings, and low-traffic floors, giving existing duct openings a cleaner, more intentional finish. White finish pairs naturally with white trim, light ceilings, painted walls, Scandinavian interiors, and light wood floors.\u003c\/p\u003e\n\u003ch2\u003eDesigned to upgrade, not to remodel\u003c\/h2\u003e\n\u003cp\u003eA full remodel should not be required just to make a vent look intentional. This surface-mount diffuser upgrades an existing duct opening without cutting into the wall, ceiling, or floor.\u003c\/p\u003e\n\u003cp\u003eInside: heavy-gauge aluminum, a multi-directional adjustable blade system, and a powder-coated finish made for everyday residential use. Outside: a clean slot profile that looks more refined than a bulky stamped grille.\u003c\/p\u003e\n\u003ch2 id=\"gv-sizing-guide\"\u003eSizing Guide — Will a 12x12 fit your space?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIMPORTANT:\u003c\/strong\u003e Measure the hole in your wall, ceiling, or floor — do not measure your old vent cover.\u003c\/p\u003e\n\u003cp\u003eThis 12x12 aluminum vent cover is designed to fit a standard 12\" × 12\" duct opening (also listed as a 12x12 wall register or 12 x 12 vent cover).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuct opening size:\u003c\/strong\u003e 12\" × 12\" (this is what you measure)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeck size:\u003c\/strong\u003e 11-3\/4\" × 11-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall face size:\u003c\/strong\u003e 13-3\/4\" × 13-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign note:\u003c\/strong\u003e Like all linear slot diffusers, this model has a narrower face panel than many traditional louvered grilles to achieve a cleaner, minimal aesthetic. It may not fully conceal the unpainted area left by an old AC vent cover — a light paint touch-up may be needed for a perfectly finished look.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQuick check:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eRemove your existing vent cover.\u003c\/li\u003e\n\u003cli\u003eMeasure the \u003cem\u003eopening\u003c\/em\u003e in the wall, ceiling, or floor — not the old cover.\u003c\/li\u003e\n\u003cli\u003eIf the opening is approximately 12\" × 12\", this 12x12 linear slot diffuser fits.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eDesigned for modern homes\u003c\/h2\u003e\n\u003cp\u003eThe 12x12 size is made for large square openings in open rooms, basements, family rooms, and larger ceiling or wall returns where symmetry matters. The square face keeps the installation visually balanced while the slot design creates a more modern finish than a bulky grille.\u003c\/p\u003e\n\u003ch3\u003eOn the wall\u003c\/h3\u003e\n\u003cp\u003eReplaces dated stamped-steel grilles in open rooms, basements, family rooms, and large square wall or ceiling openings. The clean slot line helps the HVAC opening blend into the room instead of becoming a visual distraction.\u003c\/p\u003e\n\u003ch3\u003eOn the ceiling\u003c\/h3\u003e\n\u003cp\u003eCreates a low-profile look for finished ceilings, modern condos, kitchens, bathrooms, and basements. Use the included screws for a secure wall or ceiling installation.\u003c\/p\u003e\n\u003ch3\u003eOn the floor\u003c\/h3\u003e\n\u003cp\u003eWorks in low-traffic floor areas where a modern register-style look is preferred. For busy walkways or heavy foot traffic, choose a heavier-duty floor register.\u003c\/p\u003e\n\u003ch2\u003ePremium Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable aluminum body:\u003c\/strong\u003e Built from aluminum for a lightweight but solid feel, with a finish designed for long-term residential use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimalist linear face:\u003c\/strong\u003e The clean slot pattern replaces bulky louvered grilles with a more intentional architectural look.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-directional damper:\u003c\/strong\u003e Fine-tune comfort by adjusting airflow direction without replacing the unit or modifying the duct.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy-care finish:\u003c\/strong\u003e The coated surface can be wiped down with a damp cloth and supports a cleaner look over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTested Safe for Your Home:\u003c\/strong\u003e Independently tested by TÜV Rheinland across 4 safety standards — lead-free surface coating, phthalate-free materials, free of PBT toxic chemicals, and corrosion-resistant finish per ASTM B117 salt spray standard.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e5-Minute Retrofit Installation\u003c\/h2\u003e\n\u003cp\u003eDesigned as a direct replacement for standard 12\" × 12\" duct openings with no structural modification required.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Walls \u0026amp; Ceilings:\u003c\/strong\u003e Mounts with the included screws through pre-drilled hidden side holes. Only a screwdriver and the included adjustment tool are needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Floors:\u003c\/strong\u003e Drop the cover into the existing opening in low-traffic areas. Optional screws may be used for extra hold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Removable:\u003c\/strong\u003e The diffuser can be removed for cleaning, painting, maintenance, or future room updates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe loading=\"lazy\" title=\"Installation guide — Green Vent 12x12 aluminum linear slot diffuser\" src=\"https:\/\/www.youtube.com\/embed\/2NETJ1EgEis\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGreen Vent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum Linear Slot Diffuser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDuct Opening Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12\" × 12\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNeck Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11-3\/4\" × 11-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall Face Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13-3\/4\" × 13-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor \/ Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite \/ Powder-coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAlloy Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShape\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRectangular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation \/ Mounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScrew-In for wall\/ceiling; drop-in for low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAirflow Direction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-directional adjustable: left \/ right \/ both \/ closed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupply air, return air, low-traffic floor register use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Surfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWall, ceiling, low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVietnam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncluded Components\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScrew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e1. What size do I order — 12x12 or face size?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOrder by duct opening size. 12x12 means a 12\" × 12\" duct opening—the hole in your wall, ceiling, or floor. The visible face size of this diffuser is 13-3\/4\" × 13-3\/4\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. Is a linear slot diffuser better for modern interiors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor contemporary rooms, yes. The straight slot profile looks cleaner than stamped louvers and pairs well with minimalist walls, ceilings, hardwood floors, and modern trim details.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Can I install this 12x12 vent cover on a ceiling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. This 12x12 linear slot diffuser can be installed on walls, ceilings, or low-traffic floors as long as the duct opening measures 12\" × 12\". Use the included screws for wall and ceiling installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Does it include an adjustable airflow damper?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The built-in adjustment bar lets you direct airflow left, right, evenly to both sides, or fully close the blades to reduce airflow into unused rooms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. Can this diffuser be used for both supply and return air?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt can be used for supply air and many residential return openings. For high-volume returns or filtration needs, choose a dedicated \u003ca href=\"https:\/\/www.greenvent.us\/products\/12x12-air-return-grille-pre-filter\"\u003e12x12 air return grille with pre-filter\u003c\/a\u003e instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. Can I use a filter with this linear slot diffuser?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Standard filters should not be placed behind individual vent covers because they can restrict airflow and strain the HVAC system. Use a return grille with a pre-filter if filtration at the vent is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7. Is the finish paintable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The powder-coated finish is durable as shipped, but it can be lightly sanded, primed, and painted with standard spray paint for custom color matching.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8. Can this be installed outdoors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, in sheltered locations such as covered patios, garages, and enclosed porches. It is not intended for direct rain exposure.\u003c\/p\u003e\n\u003ch2\u003eExplore related Green Vent products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/products\/12x12-air-return-grille-pre-filter\"\u003e12x12 air return grille with pre-filter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/12x12-vent-covers\"\u003e12x12 vent covers collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/white-linear-slot-diffusers\"\u003ewhite linear slot diffusers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/linear-slot-diffuser\"\u003elinear slot diffuser collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/air-vent-covers\"\u003emodern air vent covers\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eStill comparing sizes? Use the duct opening—not the old cover face—as your source of truth, then pick the finish that matches your interior.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"eager\" alt=\"Green Vent 10x6 aluminum linear slot diffuser in white powder-coated finish, front view\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Side angled view of 10x6 white linear slot diffuser showing extruded aluminum profile and slot depth\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_2.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 linear slot diffuser installed on white wall in modern living room\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_3.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 aluminum vent cover mounted on ceiling above contemporary kitchen island\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_4.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 white vent cover installed flush on hardwood floor near baseboard\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_5.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hand measuring 10 inch by 6 inch duct opening with tape measure for sizing reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_6.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Diagram showing duct opening 10 by 6 inches and overall face size 11.75 by 7.75 inches\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_7.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Step-by-step retrofit installation of 10x6 aluminum linear slot diffuser on drywall\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_8.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Close-up of multi-directional adjustable airflow blade on 10x6 linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_9.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hidden side-screw mounting detail on 10x6 white aluminum vent cover\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_10.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"What is in the box - 10x6 linear slot diffuser, mounting screws, and blade adjustment tool\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_11.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"TÜV Rheinland tested certification badge for Green Vent 10x6 aluminum linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_12.jpg?v=1778639719\"\u003e\u003c\/p\u003e","brand":"GREEN VENT","offers":[{"title":"Default Title","offer_id":52347653587316,"sku":"GV.LSD.1212","price":63.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/aluminum-white-linear-slot-diffuser-12x12-modern-air-vent-cover.webp?v=1769734236"},{"product_id":"14x6-aluminum-linear-slot-diffuser","title":"14x6 White Premium Aluminum Linear Slot Diffuser – Modern Design (Duct Opening)","description":"\u003cp\u003e⚠️ \u003cstrong\u003eCHECK SIZE BEFORE PURCHASE:\u003c\/strong\u003e This 14x6 linear slot diffuser fits a \u003cstrong\u003e14\" × 6\" duct opening\u003c\/strong\u003e (the hole in your wall, ceiling, or floor — not your old cover face). \u003ca href=\"#gv-sizing-guide\"\u003eSee the full 14x6 sizing guide →\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits a 14\" × 6\" duct opening\u003c\/strong\u003e — measure the hole, not your old cover face.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop-in surface-mount replacement\u003c\/strong\u003e — no drywall, flooring, or duct modification required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern minimalist slot design\u003c\/strong\u003e for contemporary interiors and cleaner visual lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid alloy aluminum\u003c\/strong\u003e — rust-resistant, durable, and zero plastic parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall, ceiling, or low-traffic floor compatible\u003c\/strong\u003e — one diffuser, multiple install scenarios.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-directional adjustable airflow\u003c\/strong\u003e — direct air left, right, both ways, or fully closed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTÜV Rheinland tested\u003c\/strong\u003e — lead-free coating, phthalate-free materials, Prop 65 compliant, and corrosion-resistant finish.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDesigned for modern interiors, engineered for comfort\u003c\/h2\u003e\n\u003cp\u003eModernize your 14\" × 6\" vent opening with a low-profile linear slot diffuser that works on walls, ceilings, and low-traffic floors. This white surface-mount diffuser installs on walls, ceilings, and low-traffic floors, giving existing duct openings a cleaner, more intentional finish. White finish pairs naturally with white trim, light ceilings, painted walls, Scandinavian interiors, and light wood floors.\u003c\/p\u003e\n\u003ch2\u003eDesigned to upgrade, not to remodel\u003c\/h2\u003e\n\u003cp\u003eThis is a replacement-first diffuser, not a construction-only vent. It is designed to sit over an existing opening and deliver a cleaner finish with less visual clutter than a traditional grille.\u003c\/p\u003e\n\u003cp\u003eInside: heavy-gauge aluminum, a multi-directional adjustable blade system, and a powder-coated finish made for everyday residential use. Outside: a clean slot profile that looks more refined than a bulky stamped grille.\u003c\/p\u003e\n\u003ch2 id=\"gv-sizing-guide\"\u003eSizing Guide — Will a 14x6 fit your space?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIMPORTANT:\u003c\/strong\u003e Measure the hole in your wall, ceiling, or floor — do not measure your old vent cover.\u003c\/p\u003e\n\u003cp\u003eThis 14x6 aluminum vent cover is designed to fit a standard 14\" × 6\" duct opening (also listed as a 6x14 wall register or 6 x 14 vent cover).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuct opening size:\u003c\/strong\u003e 14\" × 6\" (this is what you measure)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeck size:\u003c\/strong\u003e 13-3\/4\" × 5-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall face size:\u003c\/strong\u003e 15-3\/4\" × 7-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign note:\u003c\/strong\u003e Like all linear slot diffusers, this model has a narrower face panel than many traditional louvered grilles to achieve a cleaner, minimal aesthetic. It may not fully conceal the unpainted area left by an old AC vent cover — a light paint touch-up may be needed for a perfectly finished look.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQuick check:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eRemove your existing vent cover.\u003c\/li\u003e\n\u003cli\u003eMeasure the \u003cem\u003eopening\u003c\/em\u003e in the wall, ceiling, or floor — not the old cover.\u003c\/li\u003e\n\u003cli\u003eIf the opening is approximately 14\" × 6\", this 14x6 linear slot diffuser fits.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eDesigned for modern homes\u003c\/h2\u003e\n\u003cp\u003eThe 14x6 size suits larger residential openings in living rooms, master suites, kitchens, and finished basements. It gives a wide duct opening a cleaner, low-profile finish while maintaining the practical surface-mount installation homeowners need for replacement projects.\u003c\/p\u003e\n\u003ch3\u003eOn the wall\u003c\/h3\u003e\n\u003cp\u003eReplaces dated stamped-steel grilles in living rooms, master suites, kitchens, and finished basements. The clean slot line helps the HVAC opening blend into the room instead of becoming a visual distraction.\u003c\/p\u003e\n\u003ch3\u003eOn the ceiling\u003c\/h3\u003e\n\u003cp\u003eCreates a low-profile look for finished ceilings, modern condos, kitchens, bathrooms, and basements. Use the included screws for a secure wall or ceiling installation.\u003c\/p\u003e\n\u003ch3\u003eOn the floor\u003c\/h3\u003e\n\u003cp\u003eWorks in low-traffic floor areas where a modern register-style look is preferred. For busy walkways or heavy foot traffic, choose a heavier-duty floor register.\u003c\/p\u003e\n\u003ch2\u003ePremium Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable aluminum body:\u003c\/strong\u003e Built from aluminum for a lightweight but solid feel, with a finish designed for long-term residential use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimalist linear face:\u003c\/strong\u003e The clean slot pattern replaces bulky louvered grilles with a more intentional architectural look.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-directional damper:\u003c\/strong\u003e Fine-tune comfort by adjusting airflow direction without replacing the unit or modifying the duct.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy-care finish:\u003c\/strong\u003e The coated surface can be wiped down with a damp cloth and supports a cleaner look over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTested Safe for Your Home:\u003c\/strong\u003e Independently tested by TÜV Rheinland across 4 safety standards — lead-free surface coating, phthalate-free materials, free of PBT toxic chemicals, and corrosion-resistant finish per ASTM B117 salt spray standard.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e5-Minute Retrofit Installation\u003c\/h2\u003e\n\u003cp\u003eDesigned as a direct replacement for standard 14\" × 6\" duct openings with no structural modification required.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Walls \u0026amp; Ceilings:\u003c\/strong\u003e Mounts with the included screws through pre-drilled hidden side holes. Only a screwdriver and the included adjustment tool are needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Floors:\u003c\/strong\u003e Drop the cover into the existing opening in low-traffic areas. Optional screws may be used for extra hold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Removable:\u003c\/strong\u003e The diffuser can be removed for cleaning, painting, maintenance, or future room updates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe loading=\"lazy\" title=\"Installation guide — Green Vent 14x6 aluminum linear slot diffuser\" src=\"https:\/\/www.youtube.com\/embed\/2NETJ1EgEis\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGreen Vent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum Linear Slot Diffuser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDuct Opening Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14\" × 6\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNeck Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13-3\/4\" × 5-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall Face Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15-3\/4\" × 7-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor \/ Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite \/ Powder-coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAlloy Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShape\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRectangular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation \/ Mounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScrew-In for wall\/ceiling; drop-in for low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAirflow Direction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-directional adjustable: left \/ right \/ both \/ closed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupply air, return air, low-traffic floor register use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Surfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWall, ceiling, low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVietnam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncluded Components\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAdjustable air diffuser bar, Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e1. What size do I order — 14x6 or face size?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOrder by duct opening size. 14x6 means a 14\" × 6\" duct opening—the hole in your wall, ceiling, or floor. The visible face size of this diffuser is 15-3\/4\" × 7-3\/4\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. Is a linear slot diffuser better for modern interiors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor contemporary rooms, yes. The straight slot profile looks cleaner than stamped louvers and pairs well with minimalist walls, ceilings, hardwood floors, and modern trim details.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Can I install this 14x6 vent cover on a ceiling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. This 14x6 linear slot diffuser can be installed on walls, ceilings, or low-traffic floors as long as the duct opening measures 14\" × 6\". Use the included screws for wall and ceiling installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Does it include an adjustable airflow damper?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The built-in adjustment bar lets you direct airflow left, right, evenly to both sides, or fully close the blades to reduce airflow into unused rooms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. Can this diffuser be used for both supply and return air?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt can be used for supply air and many residential return openings. For high-volume returns or filtration needs, choose a dedicated \u003ca href=\"https:\/\/www.greenvent.us\/products\/14x6-air-return-grille-pre-filter\"\u003e14x6 air return grille with pre-filter\u003c\/a\u003e instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. Can I use a filter with this linear slot diffuser?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Standard filters should not be placed behind individual vent covers because they can restrict airflow and strain the HVAC system. Use a return grille with a pre-filter if filtration at the vent is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7. Is the finish paintable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The powder-coated finish is durable as shipped, but it can be lightly sanded, primed, and painted with standard spray paint for custom color matching.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8. Can this be installed outdoors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, in sheltered locations such as covered patios, garages, and enclosed porches. It is not intended for direct rain exposure.\u003c\/p\u003e\n\u003ch2\u003eExplore related Green Vent products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/products\/14x6-black-aluminum-linear-slot-diffuser\"\u003e14x6 black aluminum linear slot diffuser\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/products\/14x6-air-return-grille-pre-filter\"\u003e14x6 air return grille with pre-filter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/14x6-vent-covers\"\u003e14x6 vent covers collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/white-linear-slot-diffusers\"\u003ewhite linear slot diffusers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/linear-slot-diffuser\"\u003elinear slot diffuser collection\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eStill comparing sizes? Use the duct opening—not the old cover face—as your source of truth, then pick the finish that matches your interior.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"eager\" alt=\"Green Vent 10x6 aluminum linear slot diffuser in white powder-coated finish, front view\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Side angled view of 10x6 white linear slot diffuser showing extruded aluminum profile and slot depth\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_2.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 linear slot diffuser installed on white wall in modern living room\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_3.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 aluminum vent cover mounted on ceiling above contemporary kitchen island\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_4.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 white vent cover installed flush on hardwood floor near baseboard\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_5.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hand measuring 10 inch by 6 inch duct opening with tape measure for sizing reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_6.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Diagram showing duct opening 10 by 6 inches and overall face size 11.75 by 7.75 inches\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_7.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Step-by-step retrofit installation of 10x6 aluminum linear slot diffuser on drywall\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_8.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Close-up of multi-directional adjustable airflow blade on 10x6 linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_9.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hidden side-screw mounting detail on 10x6 white aluminum vent cover\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_10.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"What is in the box - 10x6 linear slot diffuser, mounting screws, and blade adjustment tool\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_11.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"TÜV Rheinland tested certification badge for Green Vent 10x6 aluminum linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_12.jpg?v=1778639719\"\u003e\u003c\/p\u003e","brand":"GREEN VENT","offers":[{"title":"Default Title","offer_id":52347655750004,"sku":"GV.DLS.146N","price":39.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/aluminum-white-linear-slot-diffuser-14x6-modern-air-vent-cover.webp?v=1769734066"},{"product_id":"14x8-aluminum-linear-slot-diffuser","title":"14x8 White Premium Aluminum Linear Slot Diffuser – Modern Design (Duct Opening)","description":"\u003cp\u003e⚠️ \u003cstrong\u003eCHECK SIZE BEFORE PURCHASE:\u003c\/strong\u003e This 14x8 linear slot diffuser fits a \u003cstrong\u003e14\" × 8\" duct opening\u003c\/strong\u003e (the hole in your wall, ceiling, or floor — not your old cover face). \u003ca href=\"#gv-sizing-guide\"\u003eSee the full 14x8 sizing guide →\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits a 14\" × 8\" duct opening\u003c\/strong\u003e — measure the hole, not your old cover face.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop-in surface-mount replacement\u003c\/strong\u003e — no drywall, flooring, or duct modification required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern minimalist slot design\u003c\/strong\u003e for contemporary interiors and cleaner visual lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid alloy aluminum\u003c\/strong\u003e — rust-resistant, durable, and zero plastic parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall, ceiling, or low-traffic floor compatible\u003c\/strong\u003e — one diffuser, multiple install scenarios.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-directional adjustable airflow\u003c\/strong\u003e — direct air left, right, both ways, or fully closed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTÜV Rheinland tested\u003c\/strong\u003e — lead-free coating, phthalate-free materials, Prop 65 compliant, and corrosion-resistant finish.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDesigned for modern interiors, engineered for comfort\u003c\/h2\u003e\n\u003cp\u003eReplace your dated 14\" × 8\" louvered grille with a modern aluminum linear slot diffuser designed for clean architectural lines. This white surface-mount diffuser installs on walls, ceilings, and low-traffic floors, giving existing duct openings a cleaner, more intentional finish. White finish pairs naturally with white trim, light ceilings, painted walls, Scandinavian interiors, and light wood floors.\u003c\/p\u003e\n\u003ch2\u003eDesigned to upgrade, not to remodel\u003c\/h2\u003e\n\u003cp\u003eInstead of hiding an outdated grille behind furniture or paint, this diffuser turns the vent itself into a more finished architectural detail.\u003c\/p\u003e\n\u003cp\u003eInside: heavy-gauge aluminum, a multi-directional adjustable blade system, and a powder-coated finish made for everyday residential use. Outside: a clean slot profile that looks more refined than a bulky stamped grille.\u003c\/p\u003e\n\u003ch2 id=\"gv-sizing-guide\"\u003eSizing Guide — Will a 14x8 fit your space?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIMPORTANT:\u003c\/strong\u003e Measure the hole in your wall, ceiling, or floor — do not measure your old vent cover.\u003c\/p\u003e\n\u003cp\u003eThis 14x8 aluminum vent cover is designed to fit a standard 14\" × 8\" duct opening (also listed as a 8x14 wall register or 8 x 14 vent cover).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuct opening size:\u003c\/strong\u003e 14\" × 8\" (this is what you measure)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeck size:\u003c\/strong\u003e 13-3\/4\" × 7-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall face size:\u003c\/strong\u003e 15-3\/4\" × 9-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign note:\u003c\/strong\u003e Like all linear slot diffusers, this model has a narrower face panel than many traditional louvered grilles to achieve a cleaner, minimal aesthetic. It may not fully conceal the unpainted area left by an old AC vent cover — a light paint touch-up may be needed for a perfectly finished look.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQuick check:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eRemove your existing vent cover.\u003c\/li\u003e\n\u003cli\u003eMeasure the \u003cem\u003eopening\u003c\/em\u003e in the wall, ceiling, or floor — not the old cover.\u003c\/li\u003e\n\u003cli\u003eIf the opening is approximately 14\" × 8\", this 14x8 linear slot diffuser fits.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eDesigned for modern homes\u003c\/h2\u003e\n\u003cp\u003eThe 14x8 size is best for large open-plan rooms, great rooms, basement family rooms, and larger ceiling or wall openings where a small cover would look undersized. It creates a more deliberate architectural finish for rooms with broader airflow distribution needs.\u003c\/p\u003e\n\u003ch3\u003eOn the wall\u003c\/h3\u003e\n\u003cp\u003eReplaces dated stamped-steel grilles in open-plan rooms, great rooms, basement family rooms, and larger ceiling openings. The clean slot line helps the HVAC opening blend into the room instead of becoming a visual distraction.\u003c\/p\u003e\n\u003ch3\u003eOn the ceiling\u003c\/h3\u003e\n\u003cp\u003eCreates a low-profile look for finished ceilings, modern condos, kitchens, bathrooms, and basements. Use the included screws for a secure wall or ceiling installation.\u003c\/p\u003e\n\u003ch3\u003eOn the floor\u003c\/h3\u003e\n\u003cp\u003eWorks in low-traffic floor areas where a modern register-style look is preferred. For busy walkways or heavy foot traffic, choose a heavier-duty floor register.\u003c\/p\u003e\n\u003ch2\u003ePremium Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo-plastic construction:\u003c\/strong\u003e Aluminum construction gives the diffuser a more premium feel than plastic covers and helps prevent cracking or yellowing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern surface-mount design:\u003c\/strong\u003e The face sits cleanly over the duct opening, making it ideal for retrofit projects and design upgrades.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComfort-focused airflow:\u003c\/strong\u003e The adjustable blade system helps distribute conditioned air more evenly across the room.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReusable and removable:\u003c\/strong\u003e The unit can be removed for cleaning, painting, maintenance, or future room updates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTested Safe for Your Home:\u003c\/strong\u003e Independently tested by TÜV Rheinland across 4 safety standards — lead-free surface coating, phthalate-free materials, free of PBT toxic chemicals, and corrosion-resistant finish per ASTM B117 salt spray standard.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e5-Minute Retrofit Installation\u003c\/h2\u003e\n\u003cp\u003eDesigned as a direct replacement for standard 14\" × 8\" duct openings with no structural modification required.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Walls \u0026amp; Ceilings:\u003c\/strong\u003e Mounts with the included screws through pre-drilled hidden side holes. Only a screwdriver and the included adjustment tool are needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Floors:\u003c\/strong\u003e Drop the cover into the existing opening in low-traffic areas. Optional screws may be used for extra hold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Removable:\u003c\/strong\u003e The diffuser can be removed for cleaning, painting, maintenance, or future room updates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe loading=\"lazy\" title=\"Installation guide — Green Vent 14x8 aluminum linear slot diffuser\" src=\"https:\/\/www.youtube.com\/embed\/2NETJ1EgEis\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGreen Vent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum Linear Slot Diffuser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDuct Opening Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14\" × 8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNeck Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13-3\/4\" × 7-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall Face Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15-3\/4\" × 9-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor \/ Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite \/ Powder-coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAlloy Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShape\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRectangular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation \/ Mounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScrew-In for wall\/ceiling; drop-in for low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAirflow Direction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-directional adjustable: left \/ right \/ both \/ closed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupply air, return air, low-traffic floor register use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Surfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWall, ceiling, low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVietnam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncluded Components\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAdjustable air diffuser bar, Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e1. What size do I order — 14x8 or face size?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOrder by duct opening size. 14x8 means a 14\" × 8\" duct opening—the hole in your wall, ceiling, or floor. The visible face size of this diffuser is 15-3\/4\" × 9-3\/4\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. What is the difference between a linear slot diffuser and a regular vent cover?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA linear slot diffuser moves air through a clean continuous slot instead of a visible louvered face. The result is a more modern look and a smoother airflow pattern for residential supply or return openings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Can I install this 14x8 vent cover on a ceiling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. This 14x8 linear slot diffuser can be installed on walls, ceilings, or low-traffic floors as long as the duct opening measures 14\" × 8\". Use the included screws for wall and ceiling installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Does it include an adjustable airflow damper?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The built-in adjustment bar lets you direct airflow left, right, evenly to both sides, or fully close the blades to reduce airflow into unused rooms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. Can this diffuser be used for both supply and return air?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt can be used for supply air and many residential return openings. For high-volume returns or filtration needs, choose a dedicated Green Vent air return grille with pre-filter instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. Can I use a filter with this linear slot diffuser?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Standard filters should not be placed behind individual vent covers because they can restrict airflow and strain the HVAC system. Use a return grille with a pre-filter if filtration at the vent is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7. Is the finish paintable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The powder-coated finish is durable as shipped, but it can be lightly sanded, primed, and painted with standard spray paint for custom color matching.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8. Can this be installed outdoors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, in sheltered locations such as covered patios, garages, and enclosed porches. It is not intended for direct rain exposure.\u003c\/p\u003e\n\u003ch2\u003eExplore related Green Vent products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/14x8-vent-covers\"\u003e14x8 vent covers collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/white-linear-slot-diffusers\"\u003ewhite linear slot diffusers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/linear-slot-diffuser\"\u003elinear slot diffuser collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/air-vent-covers\"\u003emodern air vent covers\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot sure about size or finish? Contact Green Vent support before ordering and we will help you choose the right vent cover for your space.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"eager\" alt=\"Green Vent 10x6 aluminum linear slot diffuser in white powder-coated finish, front view\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Side angled view of 10x6 white linear slot diffuser showing extruded aluminum profile and slot depth\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_2.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 linear slot diffuser installed on white wall in modern living room\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_3.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 aluminum vent cover mounted on ceiling above contemporary kitchen island\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_4.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 white vent cover installed flush on hardwood floor near baseboard\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_5.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hand measuring 10 inch by 6 inch duct opening with tape measure for sizing reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_6.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Diagram showing duct opening 10 by 6 inches and overall face size 11.75 by 7.75 inches\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_7.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Step-by-step retrofit installation of 10x6 aluminum linear slot diffuser on drywall\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_8.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Close-up of multi-directional adjustable airflow blade on 10x6 linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_9.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hidden side-screw mounting detail on 10x6 white aluminum vent cover\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_10.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"What is in the box - 10x6 linear slot diffuser, mounting screws, and blade adjustment tool\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_11.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"TÜV Rheinland tested certification badge for Green Vent 10x6 aluminum linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_12.jpg?v=1778639719\"\u003e\u003c\/p\u003e","brand":"GREEN VENT","offers":[{"title":"Default Title","offer_id":52347656405364,"sku":"GV.LSD.148W","price":51.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/aluminum-white-linear-slot-diffuser-14x8-modern-air-vent-cover.webp?v=1769733907"},{"product_id":"8x4-black-aluminum-linear-slot-diffuser","title":"8x4 Black Premium Aluminum Linear Slot Diffuser – Modern Design (Duct Opening)","description":"\u003cp\u003e⚠️ \u003cstrong\u003eCHECK SIZE BEFORE PURCHASE:\u003c\/strong\u003e This 8x4 linear slot diffuser fits a \u003cstrong\u003e8\" × 4\" duct opening\u003c\/strong\u003e (the hole in your wall, ceiling, or floor — not your old cover face). \u003ca href=\"#gv-sizing-guide\"\u003eSee the full 8x4 sizing guide →\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits a 8\" × 4\" duct opening\u003c\/strong\u003e — measure the hole, not your old cover face.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop-in surface-mount replacement\u003c\/strong\u003e — no drywall, flooring, or duct modification required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern minimalist slot design\u003c\/strong\u003e for contemporary interiors and cleaner visual lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid alloy aluminum\u003c\/strong\u003e — rust-resistant, durable, and zero plastic parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall, ceiling, or low-traffic floor compatible\u003c\/strong\u003e — one diffuser, multiple install scenarios.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-directional adjustable airflow\u003c\/strong\u003e — direct air left, right, both ways, or fully closed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality-built aluminum finish\u003c\/strong\u003e — crafted for residential spaces where durability, clean looks, and everyday usability matter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDesigned for modern interiors, engineered for comfort\u003c\/h2\u003e\n\u003cp\u003eSwap an old 8\" × 4\" stamped-steel register for a cleaner aluminum diffuser with adjustable, multi-directional airflow. This black surface-mount diffuser installs on walls, ceilings, and low-traffic floors, giving existing duct openings a cleaner, more intentional finish. Black finish works well with dark ceilings, industrial-style rooms, accent walls, modern lofts, black lighting fixtures, and contrast-driven interiors.\u003c\/p\u003e\n\u003ch2\u003eDesigned to upgrade, not to remodel\u003c\/h2\u003e\n\u003cp\u003eThis is a replacement-first diffuser, not a construction-only vent. It is designed to sit over an existing opening and deliver a cleaner finish with less visual clutter than a traditional grille.\u003c\/p\u003e\n\u003cp\u003eInside: heavy-gauge aluminum, a multi-directional adjustable blade system, and a powder-coated finish made for everyday residential use. Outside: a clean slot profile that looks more refined than a bulky stamped grille.\u003c\/p\u003e\n\u003ch2 id=\"gv-sizing-guide\"\u003eSizing Guide — Will a 8x4 fit your space?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIMPORTANT:\u003c\/strong\u003e Measure the hole in your wall, ceiling, or floor — do not measure your old vent cover.\u003c\/p\u003e\n\u003cp\u003eThis 8x4 aluminum vent cover is designed to fit a standard 8\" × 4\" duct opening (also listed as a 4x8 wall register or 4 x 8 vent cover).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuct opening size:\u003c\/strong\u003e 8\" × 4\" (this is what you measure)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeck size:\u003c\/strong\u003e 7-3\/4\" × 3-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall face size:\u003c\/strong\u003e 9-3\/4\" × 5-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign note:\u003c\/strong\u003e Like all linear slot diffusers, this model has a narrower face panel than many traditional louvered grilles to achieve a cleaner, minimal aesthetic. It may not fully conceal the unpainted area left by an old AC vent cover — a light paint touch-up may be needed for a perfectly finished look.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQuick check:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eRemove your existing vent cover.\u003c\/li\u003e\n\u003cli\u003eMeasure the \u003cem\u003eopening\u003c\/em\u003e in the wall, ceiling, or floor — not the old cover.\u003c\/li\u003e\n\u003cli\u003eIf the opening is approximately 8\" × 4\", this 8x4 linear slot diffuser fits.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eDesigned for modern homes\u003c\/h2\u003e\n\u003cp\u003eThe 8x4 size is a practical fit for tighter rectangular openings in bedrooms, hallways, bathrooms, built-ins, and older homes where a traditional grille can feel visually heavy. It gives the space a cleaner slot line while staying easy to install as a direct replacement.\u003c\/p\u003e\n\u003ch3\u003eOn the wall\u003c\/h3\u003e\n\u003cp\u003eReplaces dated stamped-steel grilles in bedrooms, hallways, bathrooms, built-ins, and narrow wall openings. The clean slot line helps the HVAC opening blend into the room instead of becoming a visual distraction.\u003c\/p\u003e\n\u003ch3\u003eOn the ceiling\u003c\/h3\u003e\n\u003cp\u003eCreates a low-profile look for finished ceilings, modern condos, kitchens, bathrooms, and basements. Use the included screws for a secure wall or ceiling installation.\u003c\/p\u003e\n\u003ch3\u003eOn the floor\u003c\/h3\u003e\n\u003cp\u003eWorks in low-traffic floor areas where a modern register-style look is preferred. For busy walkways or heavy foot traffic, choose a heavier-duty floor register.\u003c\/p\u003e\n\u003ch2\u003ePremium Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable aluminum body:\u003c\/strong\u003e Built from aluminum for a lightweight but solid feel, with a finish designed for long-term residential use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimalist linear face:\u003c\/strong\u003e The clean slot pattern replaces bulky louvered grilles with a more intentional architectural look.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-directional damper:\u003c\/strong\u003e Fine-tune comfort by adjusting airflow direction without replacing the unit or modifying the duct.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy-care finish:\u003c\/strong\u003e The coated surface can be wiped down with a damp cloth and supports a cleaner look over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for Everyday Residential Use:\u003c\/strong\u003e Designed and crafted in Vietnam with attention to finish quality, durability, and practical usability for U.S. homeowners and contractors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e5-Minute Retrofit Installation\u003c\/h2\u003e\n\u003cp\u003eDesigned as a direct replacement for standard 8\" × 4\" duct openings with no structural modification required.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Walls \u0026amp; Ceilings:\u003c\/strong\u003e Mounts with the included screws through pre-drilled hidden side holes. Only a screwdriver and the included adjustment tool are needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Floors:\u003c\/strong\u003e Drop the cover into the existing opening in low-traffic areas. Optional screws may be used for extra hold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Removable:\u003c\/strong\u003e The diffuser can be removed for cleaning, painting, maintenance, or future room updates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe loading=\"lazy\" title=\"Installation guide — Green Vent 8x4 aluminum linear slot diffuser\" src=\"https:\/\/www.youtube.com\/embed\/2NETJ1EgEis\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGreen Vent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum Linear Slot Diffuser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDuct Opening Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8\" × 4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNeck Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7-3\/4\" × 3-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall Face Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9-3\/4\" × 5-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor \/ Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack \/ Powder-coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAlloy Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShape\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRectangular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation \/ Mounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScrew-In for wall\/ceiling; drop-in for low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAirflow Direction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-directional adjustable: left \/ right \/ both \/ closed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupply air, return air, low-traffic floor register use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Surfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWall, ceiling, low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVietnam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncluded Components\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScrew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e1. What size do I order — 8x4 or face size?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOrder by duct opening size. 8x4 means a 8\" × 4\" duct opening—the hole in your wall, ceiling, or floor. The visible face size of this diffuser is 9-3\/4\" × 5-3\/4\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. What is the difference between a linear slot diffuser and a regular vent cover?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA linear slot diffuser moves air through a clean continuous slot instead of a visible louvered face. The result is a more modern look and a smoother airflow pattern for residential supply or return openings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Can I install this 8x4 vent cover on a ceiling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. This 8x4 linear slot diffuser can be installed on walls, ceilings, or low-traffic floors as long as the duct opening measures 8\" × 4\". Use the included screws for wall and ceiling installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Does it include an adjustable airflow damper?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The built-in adjustment bar lets you direct airflow left, right, evenly to both sides, or fully close the blades to reduce airflow into unused rooms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. Can this diffuser be used for both supply and return air?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt can be used for supply air and many residential return openings. For high-volume returns or filtration needs, choose a dedicated Green Vent air return grille with pre-filter instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. Can I use a filter with this linear slot diffuser?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Standard filters should not be placed behind individual vent covers because they can restrict airflow and strain the HVAC system. Use a return grille with a pre-filter if filtration at the vent is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7. Is the finish paintable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The powder-coated finish is durable as shipped, but it can be lightly sanded, primed, and painted with standard spray paint for custom color matching.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8. Can this be installed outdoors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, in sheltered locations such as covered patios, garages, and enclosed porches. It is not intended for direct rain exposure.\u003c\/p\u003e\n\u003ch2\u003eExplore related Green Vent products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/products\/8x4-aluminum-linear-slot-diffuser\"\u003e8x4 white aluminum linear slot diffuser\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/8x4-vent-covers\"\u003e8x4 vent covers collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/black-linear-slot-diffusers\"\u003eblack linear slot diffusers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/linear-slot-diffuser\"\u003elinear slot diffuser collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/air-vent-covers\"\u003emodern air vent covers\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eA clean vent upgrade starts with the right size. Confirm the opening, review the face size, and contact support if anything looks unusual.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"eager\" alt=\"Green Vent 10x6 aluminum linear slot diffuser in white powder-coated finish, front view\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Side angled view of 10x6 white linear slot diffuser showing extruded aluminum profile and slot depth\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_2.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 linear slot diffuser installed on white wall in modern living room\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_3.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 aluminum vent cover mounted on ceiling above contemporary kitchen island\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_4.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 white vent cover installed flush on hardwood floor near baseboard\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_5.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hand measuring 10 inch by 6 inch duct opening with tape measure for sizing reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_6.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Diagram showing duct opening 10 by 6 inches and overall face size 11.75 by 7.75 inches\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_7.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Step-by-step retrofit installation of 10x6 aluminum linear slot diffuser on drywall\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_8.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Close-up of multi-directional adjustable airflow blade on 10x6 linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_9.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hidden side-screw mounting detail on 10x6 white aluminum vent cover\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_10.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"What is in the box - 10x6 linear slot diffuser, mounting screws, and blade adjustment tool\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_11.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"TÜV Rheinland tested certification badge for Green Vent 10x6 aluminum linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_12.jpg?v=1778639719\"\u003e\u003c\/p\u003e","brand":"GREEN VENT","offers":[{"title":"Default Title","offer_id":52347844624756,"sku":"GV.DLS.084B","price":27.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/8x4_Den_b563f529-b977-4bd0-8881-d9b43d53de3f.jpg?v=1768957302"},{"product_id":"10x4-black-aluminum-linear-slot-diffuser","title":"10x4 Black Premium Aluminum Linear Slot Diffuser – Modern Design (Duct Opening)","description":"\u003cp\u003e⚠️ \u003cstrong\u003eCHECK SIZE BEFORE PURCHASE:\u003c\/strong\u003e This 10x4 linear slot diffuser fits a \u003cstrong\u003e10\" × 4\" duct opening\u003c\/strong\u003e (the hole in your wall, ceiling, or floor — not your old cover face). \u003ca href=\"#gv-sizing-guide\"\u003eSee the full 10x4 sizing guide →\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits a 10\" × 4\" duct opening\u003c\/strong\u003e — measure the hole, not your old cover face.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop-in surface-mount replacement\u003c\/strong\u003e — no drywall, flooring, or duct modification required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern minimalist slot design\u003c\/strong\u003e for contemporary interiors and cleaner visual lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid alloy aluminum\u003c\/strong\u003e — rust-resistant, durable, and zero plastic parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall, ceiling, or low-traffic floor compatible\u003c\/strong\u003e — one diffuser, multiple install scenarios.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-directional adjustable airflow\u003c\/strong\u003e — direct air left, right, both ways, or fully closed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality-built aluminum finish\u003c\/strong\u003e — crafted for residential spaces where durability, clean looks, and everyday usability matter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDesigned for modern interiors, engineered for comfort\u003c\/h2\u003e\n\u003cp\u003eUpgrade an existing 10\" × 4\" duct opening with a surface-mount aluminum slot diffuser built for modern American homes. This black surface-mount diffuser installs on walls, ceilings, and low-traffic floors, giving existing duct openings a cleaner, more intentional finish. Black finish works well with dark ceilings, industrial-style rooms, accent walls, modern lofts, black lighting fixtures, and contrast-driven interiors.\u003c\/p\u003e\n\u003ch2\u003eDesigned to upgrade, not to remodel\u003c\/h2\u003e\n\u003cp\u003eThis is a replacement-first diffuser, not a construction-only vent. It is designed to sit over an existing opening and deliver a cleaner finish with less visual clutter than a traditional grille.\u003c\/p\u003e\n\u003cp\u003eInside: heavy-gauge aluminum, a multi-directional adjustable blade system, and a powder-coated finish made for everyday residential use. Outside: a clean slot profile that looks more refined than a bulky stamped grille.\u003c\/p\u003e\n\u003ch2 id=\"gv-sizing-guide\"\u003eSizing Guide — Will a 10x4 fit your space?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIMPORTANT:\u003c\/strong\u003e Measure the hole in your wall, ceiling, or floor — do not measure your old vent cover.\u003c\/p\u003e\n\u003cp\u003eThis 10x4 aluminum vent cover is designed to fit a standard 10\" × 4\" duct opening (also listed as a 4x10 wall register or 4 x 10 vent cover).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuct opening size:\u003c\/strong\u003e 10\" × 4\" (this is what you measure)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeck size:\u003c\/strong\u003e 9-3\/4\" × 3-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall face size:\u003c\/strong\u003e 11-3\/4\" × 5-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign note:\u003c\/strong\u003e Like all linear slot diffusers, this model has a narrower face panel than many traditional louvered grilles to achieve a cleaner, minimal aesthetic. It may not fully conceal the unpainted area left by an old AC vent cover — a light paint touch-up may be needed for a perfectly finished look.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQuick check:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eRemove your existing vent cover.\u003c\/li\u003e\n\u003cli\u003eMeasure the \u003cem\u003eopening\u003c\/em\u003e in the wall, ceiling, or floor — not the old cover.\u003c\/li\u003e\n\u003cli\u003eIf the opening is approximately 10\" × 4\", this 10x4 linear slot diffuser fits.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eDesigned for modern homes\u003c\/h2\u003e\n\u003cp\u003eThe 10x4 size is one of the most useful narrow rectangular formats for bedrooms, hallways, home offices, and older supply runs near walls or baseboards. It gives a dated 4-inch-tall register a cleaner modern profile without making the vent feel oversized.\u003c\/p\u003e\n\u003ch3\u003eOn the wall\u003c\/h3\u003e\n\u003cp\u003eReplaces dated stamped-steel grilles in bedrooms, hallways, home offices, and narrow residential supply runs. The clean slot line helps the HVAC opening blend into the room instead of becoming a visual distraction.\u003c\/p\u003e\n\u003ch3\u003eOn the ceiling\u003c\/h3\u003e\n\u003cp\u003eCreates a low-profile look for finished ceilings, modern condos, kitchens, bathrooms, and basements. Use the included screws for a secure wall or ceiling installation.\u003c\/p\u003e\n\u003ch3\u003eOn the floor\u003c\/h3\u003e\n\u003cp\u003eWorks in low-traffic floor areas where a modern register-style look is preferred. For busy walkways or heavy foot traffic, choose a heavier-duty floor register.\u003c\/p\u003e\n\u003ch2\u003ePremium Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo-plastic construction:\u003c\/strong\u003e Aluminum construction gives the diffuser a more premium feel than plastic covers and helps prevent cracking or yellowing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern surface-mount design:\u003c\/strong\u003e The face sits cleanly over the duct opening, making it ideal for retrofit projects and design upgrades.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComfort-focused airflow:\u003c\/strong\u003e The adjustable blade system helps distribute conditioned air more evenly across the room.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReusable and removable:\u003c\/strong\u003e The unit can be removed for cleaning, painting, maintenance, or future room updates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for Everyday Residential Use:\u003c\/strong\u003e Designed and crafted in Vietnam with attention to finish quality, durability, and practical usability for U.S. homeowners and contractors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e5-Minute Retrofit Installation\u003c\/h2\u003e\n\u003cp\u003eDesigned as a direct replacement for standard 10\" × 4\" duct openings with no structural modification required.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Walls \u0026amp; Ceilings:\u003c\/strong\u003e Mounts with the included screws through pre-drilled hidden side holes. Only a screwdriver and the included adjustment tool are needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Floors:\u003c\/strong\u003e Drop the cover into the existing opening in low-traffic areas. Optional screws may be used for extra hold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Removable:\u003c\/strong\u003e The diffuser can be removed for cleaning, painting, maintenance, or future room updates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe loading=\"lazy\" title=\"Installation guide — Green Vent 10x4 aluminum linear slot diffuser\" src=\"https:\/\/www.youtube.com\/embed\/2NETJ1EgEis\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGreen Vent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum Linear Slot Diffuser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDuct Opening Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10\" × 4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNeck Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9-3\/4\" × 3-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall Face Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11-3\/4\" × 5-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor \/ Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack \/ Powder-coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAlloy Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShape\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRectangular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation \/ Mounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScrew-In for wall\/ceiling; drop-in for low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAirflow Direction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-directional adjustable: left \/ right \/ both \/ closed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupply air, return air, low-traffic floor register use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Surfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWall, ceiling, low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVietnam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncluded Components\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScrew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e1. What size do I order — 10x4 or face size?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOrder by duct opening size. 10x4 means a 10\" × 4\" duct opening—the hole in your wall, ceiling, or floor. The visible face size of this diffuser is 11-3\/4\" × 5-3\/4\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. Why choose a linear slot diffuser instead of a standard grille?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA standard grille is usually more visible and traditional. A linear slot diffuser creates a cleaner architectural line while still giving you airflow adjustment for everyday comfort.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Can I install this 10x4 vent cover on a ceiling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. This 10x4 linear slot diffuser can be installed on walls, ceilings, or low-traffic floors as long as the duct opening measures 10\" × 4\". Use the included screws for wall and ceiling installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Does it include an adjustable airflow damper?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The built-in adjustment bar lets you direct airflow left, right, evenly to both sides, or fully close the blades to reduce airflow into unused rooms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. Can this diffuser be used for both supply and return air?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt can be used for supply air and many residential return openings. For high-volume returns or filtration needs, choose a dedicated \u003ca href=\"https:\/\/www.greenvent.us\/products\/10x4-air-return-grille-pre-filter\"\u003e10x4 air return grille with pre-filter\u003c\/a\u003e instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. Can I use a filter with this linear slot diffuser?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Standard filters should not be placed behind individual vent covers because they can restrict airflow and strain the HVAC system. Use a return grille with a pre-filter if filtration at the vent is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7. Is the finish paintable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The powder-coated finish is durable as shipped, but it can be lightly sanded, primed, and painted with standard spray paint for custom color matching.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8. Can this be installed outdoors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, in sheltered locations such as covered patios, garages, and enclosed porches. It is not intended for direct rain exposure.\u003c\/p\u003e\n\u003ch2\u003eExplore related Green Vent products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/products\/10x4-aluminum-linear-slot-diffuser\"\u003e10x4 white aluminum linear slot diffuser\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/products\/10x4-air-return-grille-pre-filter\"\u003e10x4 air return grille with pre-filter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/10x4-vent-covers\"\u003e10x4 vent covers collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/black-linear-slot-diffusers\"\u003eblack linear slot diffusers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/linear-slot-diffuser\"\u003elinear slot diffuser collection\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot sure about size or finish? Contact Green Vent support before ordering and we will help you choose the right vent cover for your space.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"eager\" alt=\"Green Vent 10x6 aluminum linear slot diffuser in white powder-coated finish, front view\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Side angled view of 10x6 white linear slot diffuser showing extruded aluminum profile and slot depth\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_2.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 linear slot diffuser installed on white wall in modern living room\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_3.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 aluminum vent cover mounted on ceiling above contemporary kitchen island\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_4.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 white vent cover installed flush on hardwood floor near baseboard\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_5.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hand measuring 10 inch by 6 inch duct opening with tape measure for sizing reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_6.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Diagram showing duct opening 10 by 6 inches and overall face size 11.75 by 7.75 inches\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_7.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Step-by-step retrofit installation of 10x6 aluminum linear slot diffuser on drywall\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_8.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Close-up of multi-directional adjustable airflow blade on 10x6 linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_9.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hidden side-screw mounting detail on 10x6 white aluminum vent cover\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_10.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"What is in the box - 10x6 linear slot diffuser, mounting screws, and blade adjustment tool\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_11.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"TÜV Rheinland tested certification badge for Green Vent 10x6 aluminum linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_12.jpg?v=1778639719\"\u003e\u003c\/p\u003e","brand":"GREEN VENT","offers":[{"title":"Default Title","offer_id":52347856814452,"sku":"GV.DLS.104B","price":29.43,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/aluminum-matte-black-linear-slot-diffuser-10x4-modern-air-vent-cover.webp?v=1769704289"},{"product_id":"10x4-pack-2-black-aluminum-linear-slot-diffuser","title":"10x4 Black Premium Aluminum Linear Slot Diffuser (Pack of 2) – Modern Design (Duct Opening)","description":"\u003cp\u003e⚠️ \u003cstrong\u003eCHECK SIZE BEFORE PURCHASE:\u003c\/strong\u003e This 10x4 linear slot diffuser fits a \u003cstrong\u003e10\" × 4\" duct opening\u003c\/strong\u003e (the hole in your wall, ceiling, or floor — not your old cover face). \u003ca href=\"#gv-sizing-guide\"\u003eSee the full 10x4 sizing guide →\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits a 10\" × 4\" duct opening\u003c\/strong\u003e — measure the hole, not your old cover face.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-pack format\u003c\/strong\u003e — ideal for matching paired vents or updating two rooms with one consistent finish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop-in surface-mount replacement\u003c\/strong\u003e — no drywall, flooring, or duct modification required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern minimalist slot design\u003c\/strong\u003e for contemporary interiors and cleaner visual lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid alloy aluminum\u003c\/strong\u003e — rust-resistant, durable, and zero plastic parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall, ceiling, or low-traffic floor compatible\u003c\/strong\u003e — one diffuser, multiple install scenarios.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-directional adjustable airflow\u003c\/strong\u003e — direct air left, right, both ways, or fully closed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality-built aluminum finish\u003c\/strong\u003e — crafted for residential spaces where durability, clean looks, and everyday usability matter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDesigned for modern interiors, engineered for comfort\u003c\/h2\u003e\n\u003cp\u003eUpgrade an existing 10\" × 4\" duct opening with a surface-mount aluminum slot diffuser built for modern American homes. This black surface-mount diffuser installs on walls, ceilings, and low-traffic floors, giving existing duct openings a cleaner, more intentional finish. Black finish works well with dark ceilings, industrial-style rooms, accent walls, modern lofts, black lighting fixtures, and contrast-driven interiors. This 2-pack is designed for matching vents in the same room, paired openings, or multi-room replacement projects.\u003c\/p\u003e\n\u003ch2\u003eDesigned to upgrade, not to remodel\u003c\/h2\u003e\n\u003cp\u003eFor homeowners who want a modern look without contractor work, this diffuser is a practical replacement path. It covers the duct opening with a clean slot profile and installs with basic tools.\u003c\/p\u003e\n\u003cp\u003eInside: heavy-gauge aluminum, a multi-directional adjustable blade system, and a powder-coated finish made for everyday residential use. Outside: a clean slot profile that looks more refined than a bulky stamped grille.\u003c\/p\u003e\n\u003ch2 id=\"gv-sizing-guide\"\u003eSizing Guide — Will a 10x4 fit your space?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIMPORTANT:\u003c\/strong\u003e Measure the hole in your wall, ceiling, or floor — do not measure your old vent cover.\u003c\/p\u003e\n\u003cp\u003eThis 10x4 aluminum vent cover is designed to fit a standard 10\" × 4\" duct opening (also listed as a 4x10 wall register or 4 x 10 vent cover).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuct opening size:\u003c\/strong\u003e 10\" × 4\" (this is what you measure)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeck size:\u003c\/strong\u003e 9-3\/4\" × 3-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall face size:\u003c\/strong\u003e 11-3\/4\" × 5-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign note:\u003c\/strong\u003e Like all linear slot diffusers, this model has a narrower face panel than many traditional louvered grilles to achieve a cleaner, minimal aesthetic. It may not fully conceal the unpainted area left by an old AC vent cover — a light paint touch-up may be needed for a perfectly finished look.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQuick check:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eRemove your existing vent cover.\u003c\/li\u003e\n\u003cli\u003eMeasure the \u003cem\u003eopening\u003c\/em\u003e in the wall, ceiling, or floor — not the old cover.\u003c\/li\u003e\n\u003cli\u003eIf the opening is approximately 10\" × 4\", this 10x4 linear slot diffuser fits.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eDesigned for modern homes\u003c\/h2\u003e\n\u003cp\u003eThe 10x4 size is one of the most useful narrow rectangular formats for bedrooms, hallways, home offices, and older supply runs near walls or baseboards. It gives a dated 4-inch-tall register a cleaner modern profile without making the vent feel oversized.\u003c\/p\u003e\n\u003ch3\u003eOn the wall\u003c\/h3\u003e\n\u003cp\u003eReplaces dated stamped-steel grilles in bedrooms, hallways, home offices, and narrow residential supply runs. The clean slot line helps the HVAC opening blend into the room instead of becoming a visual distraction.\u003c\/p\u003e\n\u003ch3\u003eOn the ceiling\u003c\/h3\u003e\n\u003cp\u003eCreates a low-profile look for finished ceilings, modern condos, kitchens, bathrooms, and basements. Use the included screws for a secure wall or ceiling installation.\u003c\/p\u003e\n\u003ch3\u003eOn the floor\u003c\/h3\u003e\n\u003cp\u003eWorks in low-traffic floor areas where a modern register-style look is preferred. For busy walkways or heavy foot traffic, choose a heavier-duty floor register.\u003c\/p\u003e\n\u003ch2\u003ePremium Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo-plastic construction:\u003c\/strong\u003e Aluminum construction gives the diffuser a more premium feel than plastic covers and helps prevent cracking or yellowing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern surface-mount design:\u003c\/strong\u003e The face sits cleanly over the duct opening, making it ideal for retrofit projects and design upgrades.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComfort-focused airflow:\u003c\/strong\u003e The adjustable blade system helps distribute conditioned air more evenly across the room.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReusable and removable:\u003c\/strong\u003e The unit can be removed for cleaning, painting, maintenance, or future room updates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for Everyday Residential Use:\u003c\/strong\u003e Designed and crafted in Vietnam with attention to finish quality, durability, and practical usability for U.S. homeowners and contractors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e5-Minute Retrofit Installation\u003c\/h2\u003e\n\u003cp\u003eDesigned as a direct replacement for standard 10\" × 4\" duct openings with no structural modification required.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Walls \u0026amp; Ceilings:\u003c\/strong\u003e Mounts with the included screws through pre-drilled hidden side holes. Only a screwdriver and the included adjustment tool are needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Floors:\u003c\/strong\u003e Drop the cover into the existing opening in low-traffic areas. Optional screws may be used for extra hold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Removable:\u003c\/strong\u003e The diffuser can be removed for cleaning, painting, maintenance, or future room updates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe loading=\"lazy\" title=\"Installation guide — Green Vent 10x4 aluminum linear slot diffuser\" src=\"https:\/\/www.youtube.com\/embed\/2NETJ1EgEis\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGreen Vent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum Linear Slot Diffuser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDuct Opening Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10\" × 4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNeck Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9-3\/4\" × 3-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall Face Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11-3\/4\" × 5-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor \/ Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack \/ Powder-coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAlloy Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShape\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRectangular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation \/ Mounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScrew-In for wall\/ceiling; drop-in for low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAirflow Direction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-directional adjustable: left \/ right \/ both \/ closed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupply air, return air, low-traffic floor register use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Surfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWall, ceiling, low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVietnam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncluded Components\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScrew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e1. What size do I order — 10x4 or face size?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOrder by duct opening size. 10x4 means a 10\" × 4\" duct opening—the hole in your wall, ceiling, or floor. The visible face size of this diffuser is 11-3\/4\" × 5-3\/4\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. Is a linear slot diffuser better for modern interiors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor contemporary rooms, yes. The straight slot profile looks cleaner than stamped louvers and pairs well with minimalist walls, ceilings, hardwood floors, and modern trim details.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Can I install this 10x4 vent cover on a ceiling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. This 10x4 linear slot diffuser can be installed on walls, ceilings, or low-traffic floors as long as the duct opening measures 10\" × 4\". Use the included screws for wall and ceiling installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Does it include an adjustable airflow damper?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The built-in adjustment bar lets you direct airflow left, right, evenly to both sides, or fully close the blades to reduce airflow into unused rooms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. Can this diffuser be used for both supply and return air?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt can be used for supply air and many residential return openings. For high-volume returns or filtration needs, choose a dedicated \u003ca href=\"https:\/\/www.greenvent.us\/products\/10x4-air-return-grille-pre-filter\"\u003e10x4 air return grille with pre-filter\u003c\/a\u003e instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. Can I use a filter with this linear slot diffuser?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Standard filters should not be placed behind individual vent covers because they can restrict airflow and strain the HVAC system. Use a return grille with a pre-filter if filtration at the vent is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7. Is the finish paintable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The powder-coated finish is durable as shipped, but it can be lightly sanded, primed, and painted with standard spray paint for custom color matching.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8. Can this be installed outdoors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, in sheltered locations such as covered patios, garages, and enclosed porches. It is not intended for direct rain exposure.\u003c\/p\u003e\n\u003ch2\u003eExplore related Green Vent products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/products\/10x4-pack-2-aluminum-linear-slot-diffuser\"\u003e10x4 white aluminum linear slot diffuser\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/products\/10x4-air-return-grille-pre-filter\"\u003e10x4 air return grille with pre-filter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/10x4-vent-covers\"\u003e10x4 vent covers collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/black-linear-slot-diffusers\"\u003eblack linear slot diffusers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/linear-slot-diffuser\"\u003elinear slot diffuser collection\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFor multi-room projects, standardize by duct opening size and finish so the vents look consistent across the home.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"eager\" alt=\"Green Vent 10x6 aluminum linear slot diffuser in white powder-coated finish, front view\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Side angled view of 10x6 white linear slot diffuser showing extruded aluminum profile and slot depth\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_2.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 linear slot diffuser installed on white wall in modern living room\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_3.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 aluminum vent cover mounted on ceiling above contemporary kitchen island\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_4.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 white vent cover installed flush on hardwood floor near baseboard\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_5.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hand measuring 10 inch by 6 inch duct opening with tape measure for sizing reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_6.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Diagram showing duct opening 10 by 6 inches and overall face size 11.75 by 7.75 inches\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_7.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Step-by-step retrofit installation of 10x6 aluminum linear slot diffuser on drywall\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_8.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Close-up of multi-directional adjustable airflow blade on 10x6 linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_9.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hidden side-screw mounting detail on 10x6 white aluminum vent cover\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_10.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"What is in the box - 10x6 linear slot diffuser, mounting screws, and blade adjustment tool\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_11.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"TÜV Rheinland tested certification badge for Green Vent 10x6 aluminum linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_12.jpg?v=1778639719\"\u003e\u003c\/p\u003e","brand":"GREEN VENT","offers":[{"title":"Default Title","offer_id":52347863826804,"sku":"GV.DLS.104B2P","price":49.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/aluminum-matte-black-linear-slot-diffuser-10x4-pack-2-modern-air-vent-cover.webp?v=1769704144"},{"product_id":"10x6-black-aluminum-linear-slot-diffuser","title":"10x6 Black Premium Aluminum Linear Slot Diffuser – Modern Design (Duct Opening)","description":"\u003cp\u003e⚠️ \u003cstrong\u003eCHECK SIZE BEFORE PURCHASE:\u003c\/strong\u003e This 10x6 linear slot diffuser fits a \u003cstrong\u003e10\" × 6\" duct opening\u003c\/strong\u003e (the hole in your wall, ceiling, or floor — not your old cover face). \u003ca href=\"#gv-sizing-guide\"\u003eSee the full 10x6 sizing guide →\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits a 10\" × 6\" duct opening\u003c\/strong\u003e — measure the hole, not your old cover face.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop-in surface-mount replacement\u003c\/strong\u003e — no drywall, flooring, or duct modification required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern minimalist slot design\u003c\/strong\u003e for contemporary interiors and cleaner visual lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid alloy aluminum\u003c\/strong\u003e — rust-resistant, durable, and zero plastic parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall, ceiling, or low-traffic floor compatible\u003c\/strong\u003e — one diffuser, multiple install scenarios.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-directional adjustable airflow\u003c\/strong\u003e — direct air left, right, both ways, or fully closed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality-built for everyday homes\u003c\/strong\u003e — aluminum construction with a clean powder-coated finish and zero plastic parts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDesigned for modern interiors, engineered for comfort\u003c\/h2\u003e\n\u003cp\u003eUpgrade an existing 10\" × 6\" duct opening with a surface-mount aluminum slot diffuser built for modern American homes. This black surface-mount diffuser installs on walls, ceilings, and low-traffic floors, giving existing duct openings a sharper, more intentional finish. Black finish works especially well with dark ceilings, accent walls, industrial-style interiors, modern lofts, black lighting fixtures, and contemporary trim details.\u003c\/p\u003e\n\u003ch2\u003eDesigned to upgrade, not to remodel\u003c\/h2\u003e\n\u003cp\u003eMost modern flush vents are designed for new flooring or drywall work. This Green Vent model is built for real replacement projects: remove the old cover, confirm the duct opening, mount the new diffuser, and adjust the airflow.\u003c\/p\u003e\n\u003cp\u003eInside: heavy-gauge aluminum, a multi-directional adjustable blade system, and a powder-coated finish made for everyday residential use. Outside: a clean slot profile that looks more refined than a bulky stamped grille.\u003c\/p\u003e\n\u003ch2 id=\"gv-sizing-guide\"\u003eSizing Guide — Will a 10x6 fit your space?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIMPORTANT:\u003c\/strong\u003e Measure the hole in your wall, ceiling, or floor — do not measure your old vent cover.\u003c\/p\u003e\n\u003cp\u003eThis 10x6 aluminum vent cover is designed to fit a standard 10\" × 6\" duct opening (also listed as a 6x10 wall register or 6 x 10 vent cover).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuct opening size:\u003c\/strong\u003e 10\" × 6\" (this is what you measure)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeck size:\u003c\/strong\u003e 9-3\/4\" × 5-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall face size:\u003c\/strong\u003e 11-3\/4\" × 7-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign note:\u003c\/strong\u003e Like all linear slot diffusers, this model has a narrower face panel than many traditional louvered grilles to achieve a cleaner, minimal aesthetic. It may not fully conceal the unpainted area left by an old AC vent cover — a light paint touch-up may be needed for a perfectly finished look.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQuick check:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eRemove your existing vent cover.\u003c\/li\u003e\n\u003cli\u003eMeasure the \u003cem\u003eopening\u003c\/em\u003e in the wall, ceiling, or floor — not the old cover.\u003c\/li\u003e\n\u003cli\u003eIf the opening is approximately 10\" × 6\", this 10x6 linear slot diffuser fits.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eDesigned for modern homes\u003c\/h2\u003e\n\u003cp\u003eThe 10x6 size is a strong everyday choice for bedrooms, living rooms, kitchens, finished basements, and hallway main runs. It offers a larger face than compact sizes while staying easy to coordinate across typical residential HVAC openings.\u003c\/p\u003e\n\u003ch3\u003eOn the wall\u003c\/h3\u003e\n\u003cp\u003eReplaces dated stamped-steel grilles in bedrooms, living rooms, kitchens, finished basements, and hallway main runs. The clean slot line helps the HVAC opening blend into the room instead of becoming a visual distraction.\u003c\/p\u003e\n\u003ch3\u003eOn the ceiling\u003c\/h3\u003e\n\u003cp\u003eCreates a low-profile look for finished ceilings, modern condos, kitchens, bathrooms, and basements. Use the included screws for a secure wall or ceiling installation.\u003c\/p\u003e\n\u003ch3\u003eOn the floor\u003c\/h3\u003e\n\u003cp\u003eWorks in low-traffic floor areas where a modern register-style look is preferred. For busy walkways or heavy foot traffic, choose a heavier-duty floor register.\u003c\/p\u003e\n\u003ch2\u003ePremium Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable aluminum body:\u003c\/strong\u003e Built from aluminum for a lightweight but solid feel, with a finish designed for long-term residential use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimalist linear face:\u003c\/strong\u003e The clean slot pattern replaces bulky louvered grilles with a more intentional architectural look.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-directional damper:\u003c\/strong\u003e Fine-tune comfort by adjusting airflow direction without replacing the unit or modifying the duct.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy-care finish:\u003c\/strong\u003e The coated surface can be wiped down with a damp cloth and supports a cleaner look over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for everyday residential use:\u003c\/strong\u003e Durable aluminum construction, a clean powder-coated finish, and a fully removable design make this vent cover easy to install, clean, and reuse. TÜV certification should be added only after the 10x6 Black source spec is verified.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e5-Minute Retrofit Installation\u003c\/h2\u003e\n\u003cp\u003eDesigned as a direct replacement for standard 10\" × 6\" duct openings with no structural modification required.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Walls \u0026amp; Ceilings:\u003c\/strong\u003e Mounts with the included screws through pre-drilled hidden side holes. Only a screwdriver and the included adjustment tool are needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Floors:\u003c\/strong\u003e Drop the cover into the existing opening in low-traffic areas. Optional screws may be used for extra hold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Removable:\u003c\/strong\u003e The diffuser can be removed for cleaning, painting, maintenance, or future room updates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe loading=\"lazy\" title=\"Installation guide — Green Vent 10x6 aluminum linear slot diffuser\" src=\"https:\/\/www.youtube.com\/embed\/2NETJ1EgEis\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGreen Vent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum Linear Slot Diffuser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDuct Opening Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10\" × 6\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNeck Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9-3\/4\" × 5-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall Face Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11-3\/4\" × 7-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor \/ Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack \/ Powder-coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAlloy Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShape\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRectangular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation \/ Mounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScrew-In for wall\/ceiling; drop-in for low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAirflow Direction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-directional adjustable: left \/ right \/ both \/ closed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupply air, return air, low-traffic floor register use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Surfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWall, ceiling, low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVietnam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncluded Components\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAdjustable air diffuser bar, Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e1. What size do I order — 10x6 or face size?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOrder by duct opening size. 10x6 means a 10\" × 6\" duct opening—the hole in your wall, ceiling, or floor. The visible face size of this diffuser is 11-3\/4\" × 7-3\/4\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. Why choose a linear slot diffuser instead of a standard grille?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA standard grille is usually more visible and traditional. A linear slot diffuser creates a cleaner architectural line while still giving you airflow adjustment for everyday comfort.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Can I install this 10x6 vent cover on a ceiling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. This 10x6 linear slot diffuser can be installed on walls, ceilings, or low-traffic floors as long as the duct opening measures 10\" × 6\". Use the included screws for wall and ceiling installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Does it include an adjustable airflow damper?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The built-in adjustment bar lets you direct airflow left, right, evenly to both sides, or fully close the blades to reduce airflow into unused rooms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. Can this diffuser be used for both supply and return air?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt can be used for supply air and many residential return openings. For high-volume returns or filtration needs, choose a dedicated \u003ca href=\"https:\/\/www.greenvent.us\/products\/10x6-air-return-grille-pre-filter\"\u003e10x6 air return grille with pre-filter\u003c\/a\u003e instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. Can I use a filter with this linear slot diffuser?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Standard filters should not be placed behind individual vent covers because they can restrict airflow and strain the HVAC system. Use a return grille with a pre-filter if filtration at the vent is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7. Is the finish paintable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The powder-coated finish is durable as shipped, but it can be lightly sanded, primed, and painted with standard spray paint for custom color matching.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8. Can this be installed outdoors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, in sheltered locations such as covered patios, garages, and enclosed porches. It is not intended for direct rain exposure.\u003c\/p\u003e\n\u003ch2\u003eExplore related Green Vent products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/products\/10x6-aluminum-linear-slot-diffuser\"\u003e10x6 white aluminum linear slot diffuser\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/products\/10x6-air-return-grille-pre-filter\"\u003e10x6 air return grille with pre-filter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/10x6-vent-covers\"\u003e10x6 vent covers collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/black-linear-slot-diffusers\"\u003eblack linear slot diffusers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/linear-slot-diffuser\"\u003elinear slot diffuser collection\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eStill comparing sizes? Use the duct opening—not the old cover face—as your source of truth, then pick the finish that matches your interior.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"eager\" alt=\"Green Vent 10x6 aluminum linear slot diffuser in white powder-coated finish, front view\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Side angled view of 10x6 white linear slot diffuser showing extruded aluminum profile and slot depth\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_2.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 linear slot diffuser installed on white wall in modern living room\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_3.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 aluminum vent cover mounted on ceiling above contemporary kitchen island\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_4.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 white vent cover installed flush on hardwood floor near baseboard\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_5.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hand measuring 10 inch by 6 inch duct opening with tape measure for sizing reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_6.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Diagram showing duct opening 10 by 6 inches and overall face size 11.75 by 7.75 inches\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_7.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Step-by-step retrofit installation of 10x6 aluminum linear slot diffuser on drywall\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_8.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Close-up of multi-directional adjustable airflow blade on 10x6 linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_9.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hidden side-screw mounting detail on 10x6 white aluminum vent cover\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_10.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"What is in the box - 10x6 linear slot diffuser, mounting screws, and blade adjustment tool\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_11.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"TÜV Rheinland tested certification badge for Green Vent 10x6 aluminum linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_12.jpg?v=1778639719\"\u003e\u003c\/p\u003e","brand":"GREEN VENT","offers":[{"title":"Default Title","offer_id":52347865891188,"sku":"GV.DLS.106B","price":35.83,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/aluminum-matte-black-linear-slot-diffuser-10x6-modern-air-vent-cover.webp?v=1769704020"},{"product_id":"12x4-black-aluminum-linear-slot-diffuser","title":"12x4 Black Premium Aluminum Linear Slot Diffuser – Modern Design (Duct Opening)","description":"\u003cp\u003e⚠️ \u003cstrong\u003eCHECK SIZE BEFORE PURCHASE:\u003c\/strong\u003e This 12x4 linear slot diffuser fits a \u003cstrong\u003e12\" × 4\" duct opening\u003c\/strong\u003e (the hole in your wall, ceiling, or floor — not your old cover face).\u003cbr\u003e\u003cstrong\u003eNeck size:\u003c\/strong\u003e 11-3\/4\" × 3-3\/4\". \u003cstrong\u003eOverall face size:\u003c\/strong\u003e 13-3\/4\" × 5-3\/4\". \u003ca href=\"#gv-sizing-guide\"\u003eSee the full 12x4 sizing guide →\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits a 12\" × 4\" duct opening\u003c\/strong\u003e — measure the hole, not your old cover face.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop-in surface-mount replacement\u003c\/strong\u003e — no drywall, flooring, or duct modification required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern minimalist slot design\u003c\/strong\u003e for contemporary interiors and cleaner visual lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid alloy aluminum\u003c\/strong\u003e — rust-resistant, durable, and zero plastic parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall, ceiling, or low-traffic floor compatible\u003c\/strong\u003e — one diffuser, multiple install scenarios.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-directional adjustable airflow\u003c\/strong\u003e — direct air left, right, both ways, or fully closed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality-built aluminum finish\u003c\/strong\u003e — crafted for residential spaces where durability, clean looks, and everyday usability matter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eDesigned for modern interiors, engineered for comfort\u003c\/h2\u003e\n\u003cp\u003eGive your 12\" × 4\" vent opening a contemporary finish with a durable aluminum linear slot diffuser—no remodeling required. This black surface-mount diffuser installs on walls, ceilings, and low-traffic floors, giving existing duct openings a cleaner, more intentional finish. Black finish works well with dark ceilings, industrial-style rooms, accent walls, modern lofts, black lighting fixtures, and contrast-driven interiors. \u003c\/p\u003e\n\n\u003ch2\u003eDesigned to upgrade, not to remodel\u003c\/h2\u003e\n\u003cp\u003eFor homeowners who want a modern look without contractor work, this diffuser is a practical replacement path. It covers the duct opening with a clean slot profile and installs with basic tools.\u003c\/p\u003e\n\u003cp\u003eInside: heavy-gauge aluminum, a multi-directional adjustable blade system, and a powder-coated finish made for everyday residential use. Outside: a clean slot profile that looks more refined than a bulky stamped grille.\u003c\/p\u003e\n\n\u003ch2 id=\"gv-sizing-guide\"\u003eSizing Guide — Will a 12x4 fit your space?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIMPORTANT:\u003c\/strong\u003e Measure the hole in your wall, ceiling, or floor — do not measure your old vent cover.\u003c\/p\u003e\n\u003cp\u003eThis 12x4 aluminum vent cover is designed to fit a standard 12\" × 4\" duct opening (also listed as a 4x12 wall register or 4 x 12 vent cover).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuct opening size:\u003c\/strong\u003e 12\" × 4\" (this is what you measure)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeck size:\u003c\/strong\u003e 11-3\/4\" × 3-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall face size:\u003c\/strong\u003e 13-3\/4\" × 5-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign note:\u003c\/strong\u003e Like all linear slot diffusers, this model has a narrower face panel than many traditional louvered grilles to achieve a cleaner, minimal aesthetic. It may not fully conceal the unpainted area left by an old AC vent cover — a light paint touch-up may be needed for a perfectly finished look.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQuick check:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eRemove your existing vent cover.\u003c\/li\u003e\n\u003cli\u003eMeasure the \u003cem\u003eopening\u003c\/em\u003e in the wall, ceiling, or floor — not the old cover.\u003c\/li\u003e\n\u003cli\u003eIf the opening is approximately 12\" × 4\", this 12x4 linear slot diffuser fits.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eDesigned for modern homes\u003c\/h2\u003e\n\u003cp\u003eThe 12x4 size fits long narrow openings in hallways, bedrooms, living rooms, and ceiling runs where a standard grille can look too busy. The linear face turns that opening into a cleaner architectural detail while keeping the installation straightforward.\u003c\/p\u003e\n\u003ch3\u003eOn the wall\u003c\/h3\u003e\n\u003cp\u003eReplaces dated stamped-steel grilles in hallways, bedrooms, living rooms, and long ceiling or wall runs. The clean slot line helps the HVAC opening blend into the room instead of becoming a visual distraction.\u003c\/p\u003e\n\u003ch3\u003eOn the ceiling\u003c\/h3\u003e\n\u003cp\u003eCreates a low-profile look for finished ceilings, modern condos, kitchens, bathrooms, and basements. Use the included screws for a secure wall or ceiling installation.\u003c\/p\u003e\n\u003ch3\u003eOn the floor\u003c\/h3\u003e\n\u003cp\u003eWorks in low-traffic floor areas where a modern register-style look is preferred. For busy walkways or heavy foot traffic, choose a heavier-duty floor register.\u003c\/p\u003e\n\n\u003ch2\u003ePremium Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo-plastic construction:\u003c\/strong\u003e Aluminum construction gives the diffuser a more premium feel than plastic covers and helps prevent cracking or yellowing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern surface-mount design:\u003c\/strong\u003e The face sits cleanly over the duct opening, making it ideal for retrofit projects and design upgrades.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComfort-focused airflow:\u003c\/strong\u003e The adjustable blade system helps distribute conditioned air more evenly across the room.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReusable and removable:\u003c\/strong\u003e The unit can be removed for cleaning, painting, maintenance, or future room updates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for Everyday Residential Use:\u003c\/strong\u003e Designed and crafted in Vietnam with attention to finish quality, durability, and practical usability for U.S. homeowners and contractors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e5-Minute Retrofit Installation\u003c\/h2\u003e\n\u003cp\u003eDesigned as a direct replacement for standard 12\" × 4\" duct openings with no structural modification required.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Walls \u0026amp; Ceilings:\u003c\/strong\u003e Mounts with the included screws through pre-drilled hidden side holes. Only a screwdriver and the included adjustment tool are needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Floors:\u003c\/strong\u003e Drop the cover into the existing opening in low-traffic areas. Optional screws may be used for extra hold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Removable:\u003c\/strong\u003e The diffuser can be removed for cleaning, painting, maintenance, or future room updates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe loading=\"lazy\" title=\"Installation guide — Green Vent 12x4 aluminum linear slot diffuser\" src=\"https:\/\/www.youtube.com\/embed\/2NETJ1EgEis\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGreen Vent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum Linear Slot Diffuser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDuct Opening Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12\" × 4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNeck Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11-3\/4\" × 3-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall Face Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13-3\/4\" × 5-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor \/ Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack \/ Powder-coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAlloy Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShape\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRectangular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation \/ Mounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScrew-In for wall\/ceiling; drop-in for low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAirflow Direction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-directional adjustable: left \/ right \/ both \/ closed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupply air, return air, low-traffic floor register use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Surfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWall, ceiling, low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVietnam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncluded Components\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScrew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e1. What size do I order — 12x4 or face size?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOrder by duct opening size. 12x4 means a 12\" × 4\" duct opening—the hole in your wall, ceiling, or floor. The visible face size of this diffuser is 13-3\/4\" × 5-3\/4\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. Is a linear slot diffuser better for modern interiors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor contemporary rooms, yes. The straight slot profile looks cleaner than stamped louvers and pairs well with minimalist walls, ceilings, hardwood floors, and modern trim details.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Can I install this 12x4 vent cover on a ceiling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. This 12x4 linear slot diffuser can be installed on walls, ceilings, or low-traffic floors as long as the duct opening measures 12\" × 4\". Use the included screws for wall and ceiling installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Does it include an adjustable airflow damper?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The built-in adjustment bar lets you direct airflow left, right, evenly to both sides, or fully close the blades to reduce airflow into unused rooms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. Can this diffuser be used for both supply and return air?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt can be used for supply air and many residential return openings. For high-volume returns or filtration needs, choose a dedicated Green Vent air return grille with pre-filter instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. Can I use a filter with this linear slot diffuser?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Standard filters should not be placed behind individual vent covers because they can restrict airflow and strain the HVAC system. Use a return grille with a pre-filter if filtration at the vent is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7. Is the finish paintable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The powder-coated finish is durable as shipped, but it can be lightly sanded, primed, and painted with standard spray paint for custom color matching.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8. Can this be installed outdoors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, in sheltered locations such as covered patios, garages, and enclosed porches. It is not intended for direct rain exposure.\u003c\/p\u003e\n\n\u003ch2\u003eExplore related Green Vent products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/products\/12x4-aluminum-linear-slot-diffuser\"\u003e12x4 white aluminum linear slot diffuser\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/12x4-vent-covers\"\u003e12x4 vent covers collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/black-linear-slot-diffusers\"\u003eblack linear slot diffusers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/linear-slot-diffuser\"\u003elinear slot diffuser collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/air-vent-covers\"\u003emodern air vent covers\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eFor multi-room projects, standardize by duct opening size and finish so the vents look consistent across the home.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"eager\" alt=\"Green Vent 10x6 aluminum linear slot diffuser in white powder-coated finish, front view\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Side angled view of 10x6 white linear slot diffuser showing extruded aluminum profile and slot depth\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_2.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 linear slot diffuser installed on white wall in modern living room\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_3.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 aluminum vent cover mounted on ceiling above contemporary kitchen island\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_4.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 white vent cover installed flush on hardwood floor near baseboard\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_5.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hand measuring 10 inch by 6 inch duct opening with tape measure for sizing reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_6.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Diagram showing duct opening 10 by 6 inches and overall face size 11.75 by 7.75 inches\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_7.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Step-by-step retrofit installation of 10x6 aluminum linear slot diffuser on drywall\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_8.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Close-up of multi-directional adjustable airflow blade on 10x6 linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_9.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hidden side-screw mounting detail on 10x6 white aluminum vent cover\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_10.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"What is in the box - 10x6 linear slot diffuser, mounting screws, and blade adjustment tool\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_11.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"TÜV Rheinland tested certification badge for Green Vent 10x6 aluminum linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_12.jpg?v=1778639719\"\u003e\u003c\/p\u003e","brand":"GREEN VENT","offers":[{"title":"Default Title","offer_id":52347869167988,"sku":"GV.DLS.124B","price":31.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/aluminum-matte-black-linear-slot-diffuser-12x4-modern-air-vent-cover.webp?v=1769703887"},{"product_id":"12x6-black-aluminum-linear-slot-diffuser","title":"12x6 Black Premium Aluminum Linear Slot Diffuser – Modern Design (Duct Opening)","description":"\u003cp\u003e⚠️ \u003cstrong\u003eCHECK SIZE BEFORE PURCHASE:\u003c\/strong\u003e This 12x6 linear slot diffuser fits a \u003cstrong\u003e12\" × 6\" duct opening\u003c\/strong\u003e (the hole in your wall, ceiling, or floor — not your old cover face). \u003ca href=\"#gv-sizing-guide\"\u003eSee the full 12x6 sizing guide →\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits a 12\" × 6\" duct opening\u003c\/strong\u003e — measure the hole, not your old cover face.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop-in surface-mount replacement\u003c\/strong\u003e — no drywall, flooring, or duct modification required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern minimalist slot design\u003c\/strong\u003e for contemporary interiors and cleaner visual lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid alloy aluminum\u003c\/strong\u003e — rust-resistant, durable, and zero plastic parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall, ceiling, or low-traffic floor compatible\u003c\/strong\u003e — one diffuser, multiple install scenarios.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-directional adjustable airflow\u003c\/strong\u003e — direct air left, right, both ways, or fully closed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality-built aluminum finish\u003c\/strong\u003e — crafted for residential spaces where durability, clean looks, and everyday usability matter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDesigned for modern interiors, engineered for comfort\u003c\/h2\u003e\n\u003cp\u003eGive your 12\" × 6\" vent opening a contemporary finish with a durable aluminum linear slot diffuser—no remodeling required. This black surface-mount diffuser installs on walls, ceilings, and low-traffic floors, giving existing duct openings a cleaner, more intentional finish. Black finish works well with dark ceilings, industrial-style rooms, accent walls, modern lofts, black lighting fixtures, and contrast-driven interiors.\u003c\/p\u003e\n\u003ch2\u003eDesigned to upgrade, not to remodel\u003c\/h2\u003e\n\u003cp\u003eInstead of hiding an outdated grille behind furniture or paint, this diffuser turns the vent itself into a more finished architectural detail.\u003c\/p\u003e\n\u003cp\u003eInside: heavy-gauge aluminum, a multi-directional adjustable blade system, and a powder-coated finish made for everyday residential use. Outside: a clean slot profile that looks more refined than a bulky stamped grille.\u003c\/p\u003e\n\u003ch2 id=\"gv-sizing-guide\"\u003eSizing Guide — Will a 12x6 fit your space?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIMPORTANT:\u003c\/strong\u003e Measure the hole in your wall, ceiling, or floor — do not measure your old vent cover.\u003c\/p\u003e\n\u003cp\u003eThis 12x6 aluminum vent cover is designed to fit a standard 12\" × 6\" duct opening (also listed as a 6x12 wall register or 6 x 12 vent cover).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuct opening size:\u003c\/strong\u003e 12\" × 6\" (this is what you measure)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeck size:\u003c\/strong\u003e 11-3\/4\" × 5-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall face size:\u003c\/strong\u003e 13-3\/4\" × 7-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign note:\u003c\/strong\u003e Like all linear slot diffusers, this model has a narrower face panel than many traditional louvered grilles to achieve a cleaner, minimal aesthetic. It may not fully conceal the unpainted area left by an old AC vent cover — a light paint touch-up may be needed for a perfectly finished look.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQuick check:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eRemove your existing vent cover.\u003c\/li\u003e\n\u003cli\u003eMeasure the \u003cem\u003eopening\u003c\/em\u003e in the wall, ceiling, or floor — not the old cover.\u003c\/li\u003e\n\u003cli\u003eIf the opening is approximately 12\" × 6\", this 12x6 linear slot diffuser fits.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eDesigned for modern homes\u003c\/h2\u003e\n\u003cp\u003eThe 12x6 size is a common choice for master bedrooms, open living rooms, kitchens, and basement family rooms where the opening needs more coverage than compact registers. It balances airflow control, modern appearance, and retrofit simplicity.\u003c\/p\u003e\n\u003ch3\u003eOn the wall\u003c\/h3\u003e\n\u003cp\u003eReplaces dated stamped-steel grilles in master bedrooms, open living rooms, kitchens, and basement family rooms. The clean slot line helps the HVAC opening blend into the room instead of becoming a visual distraction.\u003c\/p\u003e\n\u003ch3\u003eOn the ceiling\u003c\/h3\u003e\n\u003cp\u003eCreates a low-profile look for finished ceilings, modern condos, kitchens, bathrooms, and basements. Use the included screws for a secure wall or ceiling installation.\u003c\/p\u003e\n\u003ch3\u003eOn the floor\u003c\/h3\u003e\n\u003cp\u003eWorks in low-traffic floor areas where a modern register-style look is preferred. For busy walkways or heavy foot traffic, choose a heavier-duty floor register.\u003c\/p\u003e\n\u003ch2\u003ePremium Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo-plastic construction:\u003c\/strong\u003e Aluminum construction gives the diffuser a more premium feel than plastic covers and helps prevent cracking or yellowing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern surface-mount design:\u003c\/strong\u003e The face sits cleanly over the duct opening, making it ideal for retrofit projects and design upgrades.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComfort-focused airflow:\u003c\/strong\u003e The adjustable blade system helps distribute conditioned air more evenly across the room.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReusable and removable:\u003c\/strong\u003e The unit can be removed for cleaning, painting, maintenance, or future room updates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for Everyday Residential Use:\u003c\/strong\u003e Designed and crafted in Vietnam with attention to finish quality, durability, and practical usability for U.S. homeowners and contractors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e5-Minute Retrofit Installation\u003c\/h2\u003e\n\u003cp\u003eDesigned as a direct replacement for standard 12\" × 6\" duct openings with no structural modification required.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Walls \u0026amp; Ceilings:\u003c\/strong\u003e Mounts with the included screws through pre-drilled hidden side holes. Only a screwdriver and the included adjustment tool are needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Floors:\u003c\/strong\u003e Drop the cover into the existing opening in low-traffic areas. Optional screws may be used for extra hold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Removable:\u003c\/strong\u003e The diffuser can be removed for cleaning, painting, maintenance, or future room updates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe loading=\"lazy\" title=\"Installation guide — Green Vent 12x6 aluminum linear slot diffuser\" src=\"https:\/\/www.youtube.com\/embed\/2NETJ1EgEis\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGreen Vent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum Linear Slot Diffuser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDuct Opening Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12\" × 6\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNeck Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11-3\/4\" × 5-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall Face Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13-3\/4\" × 7-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor \/ Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack \/ Powder-coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAlloy Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShape\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRectangular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation \/ Mounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScrew-In for wall\/ceiling; drop-in for low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAirflow Direction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-directional adjustable: left \/ right \/ both \/ closed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupply air, return air, low-traffic floor register use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Surfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWall, ceiling, low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVietnam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncluded Components\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScrew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e1. What size do I order — 12x6 or face size?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOrder by duct opening size. 12x6 means a 12\" × 6\" duct opening—the hole in your wall, ceiling, or floor. The visible face size of this diffuser is 13-3\/4\" × 7-3\/4\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. Why choose a linear slot diffuser instead of a standard grille?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA standard grille is usually more visible and traditional. A linear slot diffuser creates a cleaner architectural line while still giving you airflow adjustment for everyday comfort.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Can I install this 12x6 vent cover on a ceiling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. This 12x6 linear slot diffuser can be installed on walls, ceilings, or low-traffic floors as long as the duct opening measures 12\" × 6\". Use the included screws for wall and ceiling installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Does it include an adjustable airflow damper?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The built-in adjustment bar lets you direct airflow left, right, evenly to both sides, or fully close the blades to reduce airflow into unused rooms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. Can this diffuser be used for both supply and return air?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt can be used for supply air and many residential return openings. For high-volume returns or filtration needs, choose a dedicated \u003ca href=\"https:\/\/www.greenvent.us\/products\/12x6-air-return-grille-pre-filter\"\u003e12x6 air return grille with pre-filter\u003c\/a\u003e instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. Can I use a filter with this linear slot diffuser?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Standard filters should not be placed behind individual vent covers because they can restrict airflow and strain the HVAC system. Use a return grille with a pre-filter if filtration at the vent is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7. Is the finish paintable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The powder-coated finish is durable as shipped, but it can be lightly sanded, primed, and painted with standard spray paint for custom color matching.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8. Can this be installed outdoors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, in sheltered locations such as covered patios, garages, and enclosed porches. It is not intended for direct rain exposure.\u003c\/p\u003e\n\u003ch2\u003eExplore related Green Vent products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/products\/12x6-aluminum-linear-slot-diffuser\"\u003e12x6 white aluminum linear slot diffuser\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/products\/12x6-air-return-grille-pre-filter\"\u003e12x6 air return grille with pre-filter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/12x6-vent-covers\"\u003e12x6 vent covers collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/black-linear-slot-diffusers\"\u003eblack linear slot diffusers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/linear-slot-diffuser\"\u003elinear slot diffuser collection\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eA clean vent upgrade starts with the right size. Confirm the opening, review the face size, and contact support if anything looks unusual.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"eager\" alt=\"Green Vent 10x6 aluminum linear slot diffuser in white powder-coated finish, front view\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Side angled view of 10x6 white linear slot diffuser showing extruded aluminum profile and slot depth\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_2.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 linear slot diffuser installed on white wall in modern living room\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_3.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 aluminum vent cover mounted on ceiling above contemporary kitchen island\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_4.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 white vent cover installed flush on hardwood floor near baseboard\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_5.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hand measuring 10 inch by 6 inch duct opening with tape measure for sizing reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_6.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Diagram showing duct opening 10 by 6 inches and overall face size 11.75 by 7.75 inches\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_7.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Step-by-step retrofit installation of 10x6 aluminum linear slot diffuser on drywall\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_8.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Close-up of multi-directional adjustable airflow blade on 10x6 linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_9.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hidden side-screw mounting detail on 10x6 white aluminum vent cover\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_10.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"What is in the box - 10x6 linear slot diffuser, mounting screws, and blade adjustment tool\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_11.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"TÜV Rheinland tested certification badge for Green Vent 10x6 aluminum linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_12.jpg?v=1778639719\"\u003e\u003c\/p\u003e","brand":"GREEN VENT","offers":[{"title":"Default Title","offer_id":52347871166836,"sku":"GV.DLS.126B","price":38.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/aluminum-matte-black-linear-slot-diffuser-12x6-modern-air-vent-cover.webp?v=1769703664"},{"product_id":"6x4-aluminum-linear-slot-diffuser","title":"6x4 White Premium Aluminum Linear Slot Diffuser – Modern Design (Duct Opening)","description":"\u003cp\u003e⚠️ \u003cstrong\u003eCHECK SIZE BEFORE PURCHASE:\u003c\/strong\u003e This 6x4 linear slot diffuser fits a \u003cstrong\u003e6\" × 4\" duct opening\u003c\/strong\u003e (the hole in your wall, ceiling, or floor — not your old cover face). \u003ca href=\"#gv-sizing-guide\"\u003eSee the full 6x4 sizing guide →\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits a 6\" × 4\" duct opening\u003c\/strong\u003e — measure the hole, not your old cover face.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop-in surface-mount replacement\u003c\/strong\u003e — no drywall, flooring, or duct modification required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern minimalist slot design\u003c\/strong\u003e for contemporary interiors and cleaner visual lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid alloy aluminum\u003c\/strong\u003e — rust-resistant, durable, and zero plastic parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall, ceiling, or low-traffic floor compatible\u003c\/strong\u003e — one diffuser, multiple install scenarios.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-directional adjustable airflow\u003c\/strong\u003e — direct air left, right, both ways, or fully closed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTÜV Rheinland tested\u003c\/strong\u003e — lead-free coating, phthalate-free materials, Prop 65 compliant, and corrosion-resistant finish.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDesigned for modern interiors, engineered for comfort\u003c\/h2\u003e\n\u003cp\u003eGive your 6\" × 4\" vent opening a contemporary finish with a durable aluminum linear slot diffuser—no remodeling required. This white surface-mount diffuser installs on walls, ceilings, and low-traffic floors, giving existing duct openings a cleaner, more intentional finish. White finish pairs naturally with white trim, light ceilings, painted walls, Scandinavian interiors, and light wood floors.\u003c\/p\u003e\n\u003ch2\u003eDesigned to upgrade, not to remodel\u003c\/h2\u003e\n\u003cp\u003eThis is a replacement-first diffuser, not a construction-only vent. It is designed to sit over an existing opening and deliver a cleaner finish with less visual clutter than a traditional grille.\u003c\/p\u003e\n\u003cp\u003eInside: heavy-gauge aluminum, a multi-directional adjustable blade system, and a powder-coated finish made for everyday residential use. Outside: a clean slot profile that looks more refined than a bulky stamped grille.\u003c\/p\u003e\n\u003ch2 id=\"gv-sizing-guide\"\u003eSizing Guide — Will a 6x4 fit your space?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIMPORTANT:\u003c\/strong\u003e Measure the hole in your wall, ceiling, or floor — do not measure your old vent cover.\u003c\/p\u003e\n\u003cp\u003eThis 6x4 aluminum vent cover is designed to fit a standard 6\" × 4\" duct opening (also listed as a 4x6 wall register or 4 x 6 vent cover).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuct opening size:\u003c\/strong\u003e 6\" × 4\" (this is what you measure)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeck size:\u003c\/strong\u003e 5-3\/4\" × 3-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall face size:\u003c\/strong\u003e 7-3\/4\" × 5-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign note:\u003c\/strong\u003e Like all linear slot diffusers, this model has a narrower face panel than many traditional louvered grilles to achieve a cleaner, minimal aesthetic. It may not fully conceal the unpainted area left by an old AC vent cover — a light paint touch-up may be needed for a perfectly finished look.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQuick check:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eRemove your existing vent cover.\u003c\/li\u003e\n\u003cli\u003eMeasure the \u003cem\u003eopening\u003c\/em\u003e in the wall, ceiling, or floor — not the old cover.\u003c\/li\u003e\n\u003cli\u003eIf the opening is approximately 6\" × 4\", this 6x4 linear slot diffuser fits.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eDesigned for modern homes\u003c\/h2\u003e\n\u003cp\u003eThe 6x4 size is best for compact openings in half baths, laundry rooms, narrow hallways, built-in shelving zones, and small secondary rooms where a bulky grille can look oversized. Its smaller face keeps the vent visually quiet while still giving the room an upgraded aluminum finish.\u003c\/p\u003e\n\u003ch3\u003eOn the wall\u003c\/h3\u003e\n\u003cp\u003eReplaces dated stamped-steel grilles in half baths, laundry rooms, narrow hallways, closets, and small secondary spaces. The clean slot line helps the HVAC opening blend into the room instead of becoming a visual distraction.\u003c\/p\u003e\n\u003ch3\u003eOn the ceiling\u003c\/h3\u003e\n\u003cp\u003eCreates a low-profile look for finished ceilings, modern condos, kitchens, bathrooms, and basements. Use the included screws for a secure wall or ceiling installation.\u003c\/p\u003e\n\u003ch3\u003eOn the floor\u003c\/h3\u003e\n\u003cp\u003eWorks in low-traffic floor areas where a modern register-style look is preferred. For busy walkways or heavy foot traffic, choose a heavier-duty floor register.\u003c\/p\u003e\n\u003ch2\u003ePremium Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo-plastic construction:\u003c\/strong\u003e Aluminum construction gives the diffuser a more premium feel than plastic covers and helps prevent cracking or yellowing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern surface-mount design:\u003c\/strong\u003e The face sits cleanly over the duct opening, making it ideal for retrofit projects and design upgrades.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComfort-focused airflow:\u003c\/strong\u003e The adjustable blade system helps distribute conditioned air more evenly across the room.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReusable and removable:\u003c\/strong\u003e The unit can be removed for cleaning, painting, maintenance, or future room updates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTested Safe for Your Home:\u003c\/strong\u003e Independently tested by TÜV Rheinland across 4 safety standards — lead-free surface coating, phthalate-free materials, free of PBT toxic chemicals, and corrosion-resistant finish per ASTM B117 salt spray standard.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e5-Minute Retrofit Installation\u003c\/h2\u003e\n\u003cp\u003eDesigned as a direct replacement for standard 6\" × 4\" duct openings with no structural modification required.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Walls \u0026amp; Ceilings:\u003c\/strong\u003e Mounts with the included screws through pre-drilled hidden side holes. Only a screwdriver and the included adjustment tool are needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Floors:\u003c\/strong\u003e Drop the cover into the existing opening in low-traffic areas. Optional screws may be used for extra hold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Removable:\u003c\/strong\u003e The diffuser can be removed for cleaning, painting, maintenance, or future room updates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe loading=\"lazy\" title=\"Installation guide — Green Vent 6x4 aluminum linear slot diffuser\" src=\"https:\/\/www.youtube.com\/embed\/2NETJ1EgEis\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGreen Vent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum Linear Slot Diffuser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDuct Opening Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6\" × 4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNeck Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5-3\/4\" × 3-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall Face Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7-3\/4\" × 5-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor \/ Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite \/ Powder-coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAlloy Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShape\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRectangular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation \/ Mounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScrew-In for wall\/ceiling; drop-in for low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAirflow Direction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-directional adjustable: left \/ right \/ both \/ closed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupply air, return air, low-traffic floor register use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Surfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWall, ceiling, low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVietnam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncluded Components\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScrew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e1. What size do I order — 6x4 or face size?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOrder by duct opening size. 6x4 means a 6\" × 4\" duct opening—the hole in your wall, ceiling, or floor. The visible face size of this diffuser is 7-3\/4\" × 5-3\/4\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. What is the difference between a linear slot diffuser and a regular vent cover?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA linear slot diffuser moves air through a clean continuous slot instead of a visible louvered face. The result is a more modern look and a smoother airflow pattern for residential supply or return openings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Can I install this 6x4 vent cover on a ceiling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. This 6x4 linear slot diffuser can be installed on walls, ceilings, or low-traffic floors as long as the duct opening measures 6\" × 4\". Use the included screws for wall and ceiling installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Does it include an adjustable airflow damper?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The built-in adjustment bar lets you direct airflow left, right, evenly to both sides, or fully close the blades to reduce airflow into unused rooms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. Can this diffuser be used for both supply and return air?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt can be used for supply air and many residential return openings. For high-volume returns or filtration needs, choose a dedicated \u003ca href=\"https:\/\/www.greenvent.us\/products\/6x4-air-return-grille-pre-filter\"\u003e6x4 air return grille with pre-filter\u003c\/a\u003e instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. Can I use a filter with this linear slot diffuser?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Standard filters should not be placed behind individual vent covers because they can restrict airflow and strain the HVAC system. Use a return grille with a pre-filter if filtration at the vent is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7. Is the finish paintable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The powder-coated finish is durable as shipped, but it can be lightly sanded, primed, and painted with standard spray paint for custom color matching.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8. Can this be installed outdoors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, in sheltered locations such as covered patios, garages, and enclosed porches. It is not intended for direct rain exposure.\u003c\/p\u003e\n\u003ch2\u003eExplore related Green Vent products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/products\/6x4-air-return-grille-pre-filter\"\u003e6x4 air return grille with pre-filter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/6x4-vent-covers\"\u003e6x4 vent covers collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/white-linear-slot-diffusers\"\u003ewhite linear slot diffusers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/linear-slot-diffuser\"\u003elinear slot diffuser collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/air-vent-covers\"\u003emodern air vent covers\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eA clean vent upgrade starts with the right size. Confirm the opening, review the face size, and contact support if anything looks unusual.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"eager\" alt=\"Green Vent 10x6 aluminum linear slot diffuser in white powder-coated finish, front view\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Side angled view of 10x6 white linear slot diffuser showing extruded aluminum profile and slot depth\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_2.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 linear slot diffuser installed on white wall in modern living room\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_3.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 aluminum vent cover mounted on ceiling above contemporary kitchen island\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_4.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 white vent cover installed flush on hardwood floor near baseboard\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_5.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hand measuring 10 inch by 6 inch duct opening with tape measure for sizing reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_6.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Diagram showing duct opening 10 by 6 inches and overall face size 11.75 by 7.75 inches\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_7.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Step-by-step retrofit installation of 10x6 aluminum linear slot diffuser on drywall\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_8.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Close-up of multi-directional adjustable airflow blade on 10x6 linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_9.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hidden side-screw mounting detail on 10x6 white aluminum vent cover\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_10.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"What is in the box - 10x6 linear slot diffuser, mounting screws, and blade adjustment tool\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_11.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"TÜV Rheinland tested certification badge for Green Vent 10x6 aluminum linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_12.jpg?v=1778639719\"\u003e\u003c\/p\u003e","brand":"GREEN VENT","offers":[{"title":"Default Title","offer_id":52356111729012,"sku":"GV.LSD.064W","price":24.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/aluminum-white-linear-slot-diffuser-6x4-modern-air-vent-cover.webp?v=1769703537"},{"product_id":"8x6-aluminum-linear-slot-diffuser","title":"8x6 White Premium Aluminum Linear Slot Diffuser – Modern Design (Duct Opening)","description":"\u003cp\u003e⚠️ \u003cstrong\u003eCHECK SIZE BEFORE PURCHASE:\u003c\/strong\u003e This 8x6 linear slot diffuser fits a \u003cstrong\u003e8\" × 6\" duct opening\u003c\/strong\u003e (the hole in your wall, ceiling, or floor — not your old cover face). \u003ca href=\"#gv-sizing-guide\"\u003eSee the full 8x6 sizing guide →\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits a 8\" × 6\" duct opening\u003c\/strong\u003e — measure the hole, not your old cover face.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop-in surface-mount replacement\u003c\/strong\u003e — no drywall, flooring, or duct modification required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern minimalist slot design\u003c\/strong\u003e for contemporary interiors and cleaner visual lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid alloy aluminum\u003c\/strong\u003e — rust-resistant, durable, and zero plastic parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall, ceiling, or low-traffic floor compatible\u003c\/strong\u003e — one diffuser, multiple install scenarios.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-directional adjustable airflow\u003c\/strong\u003e — direct air left, right, both ways, or fully closed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTÜV Rheinland tested\u003c\/strong\u003e — lead-free coating, phthalate-free materials, Prop 65 compliant, and corrosion-resistant finish.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDesigned for modern interiors, engineered for comfort\u003c\/h2\u003e\n\u003cp\u003eGive your 8\" × 6\" vent opening a contemporary finish with a durable aluminum linear slot diffuser—no remodeling required. This white surface-mount diffuser installs on walls, ceilings, and low-traffic floors, giving existing duct openings a cleaner, more intentional finish. White finish pairs naturally with white trim, light ceilings, painted walls, Scandinavian interiors, and light wood floors.\u003c\/p\u003e\n\u003ch2\u003eDesigned to upgrade, not to remodel\u003c\/h2\u003e\n\u003cp\u003eMost modern flush vents are designed for new flooring or drywall work. This Green Vent model is built for real replacement projects: remove the old cover, confirm the duct opening, mount the new diffuser, and adjust the airflow.\u003c\/p\u003e\n\u003cp\u003eInside: heavy-gauge aluminum, a multi-directional adjustable blade system, and a powder-coated finish made for everyday residential use. Outside: a clean slot profile that looks more refined than a bulky stamped grille.\u003c\/p\u003e\n\u003ch2 id=\"gv-sizing-guide\"\u003eSizing Guide — Will a 8x6 fit your space?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIMPORTANT:\u003c\/strong\u003e Measure the hole in your wall, ceiling, or floor — do not measure your old vent cover.\u003c\/p\u003e\n\u003cp\u003eThis 8x6 aluminum vent cover is designed to fit a standard 8\" × 6\" duct opening (also listed as a 6x8 wall register or 6 x 8 vent cover).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuct opening size:\u003c\/strong\u003e 8\" × 6\" (this is what you measure)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeck size:\u003c\/strong\u003e 7-3\/4\" × 5-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall face size:\u003c\/strong\u003e 9-3\/4\" × 7-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign note:\u003c\/strong\u003e Like all linear slot diffusers, this model has a narrower face panel than many traditional louvered grilles to achieve a cleaner, minimal aesthetic. It may not fully conceal the unpainted area left by an old AC vent cover — a light paint touch-up may be needed for a perfectly finished look.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQuick check:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eRemove your existing vent cover.\u003c\/li\u003e\n\u003cli\u003eMeasure the \u003cem\u003eopening\u003c\/em\u003e in the wall, ceiling, or floor — not the old cover.\u003c\/li\u003e\n\u003cli\u003eIf the opening is approximately 8\" × 6\", this 8x6 linear slot diffuser fits.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eDesigned for modern homes\u003c\/h2\u003e\n\u003cp\u003eThe 8x6 size fits smaller bedrooms, home offices, closets, and compact living areas where airflow matters but the vent should not dominate the wall or ceiling. It is a useful middle size when a 6-inch height gives the opening more presence than a narrow 4-inch register.\u003c\/p\u003e\n\u003ch3\u003eOn the wall\u003c\/h3\u003e\n\u003cp\u003eReplaces dated stamped-steel grilles in small bedrooms, home offices, closets, and compact living areas. The clean slot line helps the HVAC opening blend into the room instead of becoming a visual distraction.\u003c\/p\u003e\n\u003ch3\u003eOn the ceiling\u003c\/h3\u003e\n\u003cp\u003eCreates a low-profile look for finished ceilings, modern condos, kitchens, bathrooms, and basements. Use the included screws for a secure wall or ceiling installation.\u003c\/p\u003e\n\u003ch3\u003eOn the floor\u003c\/h3\u003e\n\u003cp\u003eWorks in low-traffic floor areas where a modern register-style look is preferred. For busy walkways or heavy foot traffic, choose a heavier-duty floor register.\u003c\/p\u003e\n\u003ch2\u003ePremium Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable aluminum body:\u003c\/strong\u003e Built from aluminum for a lightweight but solid feel, with a finish designed for long-term residential use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimalist linear face:\u003c\/strong\u003e The clean slot pattern replaces bulky louvered grilles with a more intentional architectural look.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-directional damper:\u003c\/strong\u003e Fine-tune comfort by adjusting airflow direction without replacing the unit or modifying the duct.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy-care finish:\u003c\/strong\u003e The coated surface can be wiped down with a damp cloth and supports a cleaner look over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTested Safe for Your Home:\u003c\/strong\u003e Independently tested by TÜV Rheinland across 4 safety standards — lead-free surface coating, phthalate-free materials, free of PBT toxic chemicals, and corrosion-resistant finish per ASTM B117 salt spray standard.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e5-Minute Retrofit Installation\u003c\/h2\u003e\n\u003cp\u003eDesigned as a direct replacement for standard 8\" × 6\" duct openings with no structural modification required.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Walls \u0026amp; Ceilings:\u003c\/strong\u003e Mounts with the included screws through pre-drilled hidden side holes. Only a screwdriver and the included adjustment tool are needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Floors:\u003c\/strong\u003e Drop the cover into the existing opening in low-traffic areas. Optional screws may be used for extra hold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Removable:\u003c\/strong\u003e The diffuser can be removed for cleaning, painting, maintenance, or future room updates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe loading=\"lazy\" title=\"Installation guide — Green Vent 8x6 aluminum linear slot diffuser\" src=\"https:\/\/www.youtube.com\/embed\/2NETJ1EgEis\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGreen Vent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum Linear Slot Diffuser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDuct Opening Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8\" × 6\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNeck Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7-3\/4\" × 5-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall Face Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9-3\/4\" × 7-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor \/ Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite \/ Powder-coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAlloy Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShape\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRectangular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation \/ Mounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScrew-In for wall\/ceiling; drop-in for low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAirflow Direction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-directional adjustable: left \/ right \/ both \/ closed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupply air, return air, low-traffic floor register use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Surfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWall, ceiling, low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVietnam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncluded Components\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScrew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e1. What size do I order — 8x6 or face size?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOrder by duct opening size. 8x6 means a 8\" × 6\" duct opening—the hole in your wall, ceiling, or floor. The visible face size of this diffuser is 9-3\/4\" × 7-3\/4\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. Why choose a linear slot diffuser instead of a standard grille?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA standard grille is usually more visible and traditional. A linear slot diffuser creates a cleaner architectural line while still giving you airflow adjustment for everyday comfort.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Can I install this 8x6 vent cover on a ceiling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. This 8x6 linear slot diffuser can be installed on walls, ceilings, or low-traffic floors as long as the duct opening measures 8\" × 6\". Use the included screws for wall and ceiling installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Does it include an adjustable airflow damper?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The built-in adjustment bar lets you direct airflow left, right, evenly to both sides, or fully close the blades to reduce airflow into unused rooms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. Can this diffuser be used for both supply and return air?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt can be used for supply air and many residential return openings. For high-volume returns or filtration needs, choose a dedicated Green Vent air return grille with pre-filter instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. Can I use a filter with this linear slot diffuser?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Standard filters should not be placed behind individual vent covers because they can restrict airflow and strain the HVAC system. Use a return grille with a pre-filter if filtration at the vent is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7. Is the finish paintable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The powder-coated finish is durable as shipped, but it can be lightly sanded, primed, and painted with standard spray paint for custom color matching.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8. Can this be installed outdoors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, in sheltered locations such as covered patios, garages, and enclosed porches. It is not intended for direct rain exposure.\u003c\/p\u003e\n\u003ch2\u003eExplore related Green Vent products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/8x6-vent-covers\"\u003e8x6 vent covers collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/white-linear-slot-diffusers\"\u003ewhite linear slot diffusers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/linear-slot-diffuser\"\u003elinear slot diffuser collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/air-vent-covers\"\u003emodern air vent covers\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot sure about size or finish? Contact Green Vent support before ordering and we will help you choose the right vent cover for your space.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"eager\" alt=\"Green Vent 10x6 aluminum linear slot diffuser in white powder-coated finish, front view\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Side angled view of 10x6 white linear slot diffuser showing extruded aluminum profile and slot depth\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_2.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 linear slot diffuser installed on white wall in modern living room\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_3.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 aluminum vent cover mounted on ceiling above contemporary kitchen island\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_4.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 white vent cover installed flush on hardwood floor near baseboard\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_5.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hand measuring 10 inch by 6 inch duct opening with tape measure for sizing reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_6.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Diagram showing duct opening 10 by 6 inches and overall face size 11.75 by 7.75 inches\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_7.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Step-by-step retrofit installation of 10x6 aluminum linear slot diffuser on drywall\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_8.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Close-up of multi-directional adjustable airflow blade on 10x6 linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_9.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hidden side-screw mounting detail on 10x6 white aluminum vent cover\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_10.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"What is in the box - 10x6 linear slot diffuser, mounting screws, and blade adjustment tool\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_11.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"TÜV Rheinland tested certification badge for Green Vent 10x6 aluminum linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_12.jpg?v=1778639719\"\u003e\u003c\/p\u003e","brand":"GREEN VENT","offers":[{"title":"Default Title","offer_id":52356116709748,"sku":"GV.LSD.086W","price":34.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/aluminum-white-linear-slot-diffuser-8x6-modern-air-vent-cover.webp?v=1769703421"},{"product_id":"12x2-black-aluminum-linear-slot-diffuser","title":"12x2 Black Premium Aluminum Linear Slot Diffuser – Modern Design (Duct Opening)","description":"\u003cp\u003e⚠️ \u003cstrong\u003eCHECK SIZE BEFORE PURCHASE:\u003c\/strong\u003e This 12x2 linear slot diffuser fits a \u003cstrong\u003e12\" × 2\" duct opening\u003c\/strong\u003e (the hole in your wall, ceiling, or floor — not your old cover face). \u003ca href=\"#gv-sizing-guide\"\u003eSee the full 12x2 sizing guide →\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits a 12\" × 2\" duct opening\u003c\/strong\u003e — measure the hole, not your old cover face.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop-in surface-mount replacement\u003c\/strong\u003e — no drywall, flooring, or duct modification required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern minimalist slot design\u003c\/strong\u003e for contemporary interiors and cleaner visual lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid alloy aluminum\u003c\/strong\u003e — rust-resistant, durable, and zero plastic parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall, ceiling, or low-traffic floor compatible\u003c\/strong\u003e — one diffuser, multiple install scenarios.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-directional adjustable airflow\u003c\/strong\u003e — direct air left, right, both ways, or fully closed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality-built aluminum finish\u003c\/strong\u003e — crafted for residential spaces where durability, clean looks, and everyday usability matter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDesigned for modern interiors, engineered for comfort\u003c\/h2\u003e\n\u003cp\u003eReplace your dated 12\" × 2\" louvered grille with a modern aluminum linear slot diffuser designed for clean architectural lines. This black surface-mount diffuser installs on walls, ceilings, and low-traffic floors, giving existing duct openings a cleaner, more intentional finish. Black finish works well with dark ceilings, industrial-style rooms, accent walls, modern lofts, black lighting fixtures, and contrast-driven interiors.\u003c\/p\u003e\n\u003ch2\u003eDesigned to upgrade, not to remodel\u003c\/h2\u003e\n\u003cp\u003eThis is a replacement-first diffuser, not a construction-only vent. It is designed to sit over an existing opening and deliver a cleaner finish with less visual clutter than a traditional grille.\u003c\/p\u003e\n\u003cp\u003eInside: heavy-gauge aluminum, a multi-directional adjustable blade system, and a powder-coated finish made for everyday residential use. Outside: a clean slot profile that looks more refined than a bulky stamped grille.\u003c\/p\u003e\n\u003ch2 id=\"gv-sizing-guide\"\u003eSizing Guide — Will a 12x2 fit your space?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIMPORTANT:\u003c\/strong\u003e Measure the hole in your wall, ceiling, or floor — do not measure your old vent cover.\u003c\/p\u003e\n\u003cp\u003eThis 12x2 aluminum vent cover is designed to fit a standard 12\" × 2\" duct opening (also listed as a 2x12 wall register or 2 x 12 vent cover).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuct opening size:\u003c\/strong\u003e 12\" × 2\" (this is what you measure)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeck size:\u003c\/strong\u003e 11-3\/4\" × 1-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall face size:\u003c\/strong\u003e 13-3\/4\" × 3-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign note:\u003c\/strong\u003e Like all linear slot diffusers, this model has a narrower face panel than many traditional louvered grilles to achieve a cleaner, minimal aesthetic. It may not fully conceal the unpainted area left by an old AC vent cover — a light paint touch-up may be needed for a perfectly finished look.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQuick check:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eRemove your existing vent cover.\u003c\/li\u003e\n\u003cli\u003eMeasure the \u003cem\u003eopening\u003c\/em\u003e in the wall, ceiling, or floor — not the old cover.\u003c\/li\u003e\n\u003cli\u003eIf the opening is approximately 12\" × 2\", this 12x2 linear slot diffuser fits.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eDesigned for modern homes\u003c\/h2\u003e\n\u003cp\u003eThe 12x2 size is ideal for long, slim duct openings where the goal is a narrow architectural line rather than a traditional grille. It works well in soffits, narrow walls, and design-forward areas where the diffuser should feel subtle and intentional.\u003c\/p\u003e\n\u003ch3\u003eOn the wall\u003c\/h3\u003e\n\u003cp\u003eReplaces dated stamped-steel grilles in soffits, narrow wall openings, slim ceiling runs, and design-focused spaces. The clean slot line helps the HVAC opening blend into the room instead of becoming a visual distraction.\u003c\/p\u003e\n\u003ch3\u003eOn the ceiling\u003c\/h3\u003e\n\u003cp\u003eCreates a low-profile look for finished ceilings, modern condos, kitchens, bathrooms, and basements. Use the included screws for a secure wall or ceiling installation.\u003c\/p\u003e\n\u003ch3\u003eOn the floor\u003c\/h3\u003e\n\u003cp\u003eWorks in low-traffic floor areas where a modern register-style look is preferred. For busy walkways or heavy foot traffic, choose a heavier-duty floor register.\u003c\/p\u003e\n\u003ch2\u003ePremium Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo-plastic construction:\u003c\/strong\u003e Aluminum construction gives the diffuser a more premium feel than plastic covers and helps prevent cracking or yellowing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern surface-mount design:\u003c\/strong\u003e The face sits cleanly over the duct opening, making it ideal for retrofit projects and design upgrades.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComfort-focused airflow:\u003c\/strong\u003e The adjustable blade system helps distribute conditioned air more evenly across the room.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReusable and removable:\u003c\/strong\u003e The unit can be removed for cleaning, painting, maintenance, or future room updates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for Everyday Residential Use:\u003c\/strong\u003e Designed and crafted in Vietnam with attention to finish quality, durability, and practical usability for U.S. homeowners and contractors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e5-Minute Retrofit Installation\u003c\/h2\u003e\n\u003cp\u003eDesigned as a direct replacement for standard 12\" × 2\" duct openings with no structural modification required.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Walls \u0026amp; Ceilings:\u003c\/strong\u003e Mounts with the included screws through pre-drilled hidden side holes. Only a screwdriver and the included adjustment tool are needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Floors:\u003c\/strong\u003e Drop the cover into the existing opening in low-traffic areas. Optional screws may be used for extra hold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Removable:\u003c\/strong\u003e The diffuser can be removed for cleaning, painting, maintenance, or future room updates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe loading=\"lazy\" title=\"Installation guide — Green Vent 12x2 aluminum linear slot diffuser\" src=\"https:\/\/www.youtube.com\/embed\/2NETJ1EgEis\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGreen Vent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum Linear Slot Diffuser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDuct Opening Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12\" × 2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNeck Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11-3\/4\" × 1-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall Face Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13-3\/4\" × 3-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor \/ Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack \/ Powder-coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAlloy Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShape\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRectangular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation \/ Mounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScrew-In for wall\/ceiling; drop-in for low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAirflow Direction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-directional adjustable: left \/ right \/ both \/ closed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupply air, return air, low-traffic floor register use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Surfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWall, ceiling, low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVietnam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncluded Components\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScrew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e1. What size do I order — 12x2 or face size?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOrder by duct opening size. 12x2 means a 12\" × 2\" duct opening—the hole in your wall, ceiling, or floor. The visible face size of this diffuser is 13-3\/4\" × 3-3\/4\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. What is the difference between a linear slot diffuser and a regular vent cover?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA linear slot diffuser moves air through a clean continuous slot instead of a visible louvered face. The result is a more modern look and a smoother airflow pattern for residential supply or return openings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Can I install this 12x2 vent cover on a ceiling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. This 12x2 linear slot diffuser can be installed on walls, ceilings, or low-traffic floors as long as the duct opening measures 12\" × 2\". Use the included screws for wall and ceiling installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Does it include an adjustable airflow damper?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The built-in adjustment bar lets you direct airflow left, right, evenly to both sides, or fully close the blades to reduce airflow into unused rooms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. Can this diffuser be used for both supply and return air?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt can be used for supply air and many residential return openings. For high-volume returns or filtration needs, choose a dedicated Green Vent air return grille with pre-filter instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. Can I use a filter with this linear slot diffuser?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Standard filters should not be placed behind individual vent covers because they can restrict airflow and strain the HVAC system. Use a return grille with a pre-filter if filtration at the vent is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7. Is the finish paintable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The powder-coated finish is durable as shipped, but it can be lightly sanded, primed, and painted with standard spray paint for custom color matching.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8. Can this be installed outdoors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, in sheltered locations such as covered patios, garages, and enclosed porches. It is not intended for direct rain exposure.\u003c\/p\u003e\n\u003ch2\u003eExplore related Green Vent products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/black-linear-slot-diffusers\"\u003eblack linear slot diffusers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/linear-slot-diffuser\"\u003elinear slot diffuser collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/air-vent-covers\"\u003emodern air vent covers\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMeasure the duct opening first, then choose the finish that fits your room. Green Vent support is available if you want a second check before purchase.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e⚠️ \u003cstrong\u003eCHECK SIZE BEFORE PURCHASE:\u003c\/strong\u003e This 12x4 linear slot diffuser fits a \u003cstrong\u003e12\" × 4\" duct opening\u003c\/strong\u003e (the hole in your wall, ceiling, or floor — not your old cover face).\u003cbr\u003e\u003cstrong\u003eNeck size:\u003c\/strong\u003e 11-3\/4\" × 3-3\/4\". \u003cstrong\u003eOverall face size:\u003c\/strong\u003e 13-3\/4\" × 5-3\/4\". \u003ca href=\"#gv-sizing-guide\"\u003eSee the full 12x4 sizing guide →\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits a 12\" × 4\" duct opening\u003c\/strong\u003e — measure the hole, not your old cover face.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop-in surface-mount replacement\u003c\/strong\u003e — no drywall, flooring, or duct modification required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern minimalist slot design\u003c\/strong\u003e for contemporary interiors and cleaner visual lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid alloy aluminum\u003c\/strong\u003e — rust-resistant, durable, and zero plastic parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall, ceiling, or low-traffic floor compatible\u003c\/strong\u003e — one diffuser, multiple install scenarios.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-directional adjustable airflow\u003c\/strong\u003e — direct air left, right, both ways, or fully closed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality-built aluminum finish\u003c\/strong\u003e — crafted for residential spaces where durability, clean looks, and everyday usability matter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDesigned for modern interiors, engineered for comfort\u003c\/h2\u003e\n\u003cp\u003eGive your 12\" × 4\" vent opening a contemporary finish with a durable aluminum linear slot diffuser—no remodeling required. This black surface-mount diffuser installs on walls, ceilings, and low-traffic floors, giving existing duct openings a cleaner, more intentional finish. Black finish works well with dark ceilings, industrial-style rooms, accent walls, modern lofts, black lighting fixtures, and contrast-driven interiors.\u003c\/p\u003e\n\u003ch2\u003eDesigned to upgrade, not to remodel\u003c\/h2\u003e\n\u003cp\u003eFor homeowners who want a modern look without contractor work, this diffuser is a practical replacement path. It covers the duct opening with a clean slot profile and installs with basic tools.\u003c\/p\u003e\n\u003cp\u003eInside: heavy-gauge aluminum, a multi-directional adjustable blade system, and a powder-coated finish made for everyday residential use. Outside: a clean slot profile that looks more refined than a bulky stamped grille.\u003c\/p\u003e\n\u003ch2 id=\"gv-sizing-guide\"\u003eSizing Guide — Will a 12x4 fit your space?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIMPORTANT:\u003c\/strong\u003e Measure the hole in your wall, ceiling, or floor — do not measure your old vent cover.\u003c\/p\u003e\n\u003cp\u003eThis 12x4 aluminum vent cover is designed to fit a standard 12\" × 4\" duct opening (also listed as a 4x12 wall register or 4 x 12 vent cover).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuct opening size:\u003c\/strong\u003e 12\" × 4\" (this is what you measure)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeck size:\u003c\/strong\u003e 11-3\/4\" × 3-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall face size:\u003c\/strong\u003e 13-3\/4\" × 5-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign note:\u003c\/strong\u003e Like all linear slot diffusers, this model has a narrower face panel than many traditional louvered grilles to achieve a cleaner, minimal aesthetic. It may not fully conceal the unpainted area left by an old AC vent cover — a light paint touch-up may be needed for a perfectly finished look.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQuick check:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eRemove your existing vent cover.\u003c\/li\u003e\n\u003cli\u003eMeasure the \u003cem\u003eopening\u003c\/em\u003e in the wall, ceiling, or floor — not the old cover.\u003c\/li\u003e\n\u003cli\u003eIf the opening is approximately 12\" × 4\", this 12x4 linear slot diffuser fits.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eDesigned for modern homes\u003c\/h2\u003e\n\u003cp\u003eThe 12x4 size fits long narrow openings in hallways, bedrooms, living rooms, and ceiling runs where a standard grille can look too busy. The linear face turns that opening into a cleaner architectural detail while keeping the installation straightforward.\u003c\/p\u003e\n\u003ch3\u003eOn the wall\u003c\/h3\u003e\n\u003cp\u003eReplaces dated stamped-steel grilles in hallways, bedrooms, living rooms, and long ceiling or wall runs. The clean slot line helps the HVAC opening blend into the room instead of becoming a visual distraction.\u003c\/p\u003e\n\u003ch3\u003eOn the ceiling\u003c\/h3\u003e\n\u003cp\u003eCreates a low-profile look for finished ceilings, modern condos, kitchens, bathrooms, and basements. Use the included screws for a secure wall or ceiling installation.\u003c\/p\u003e\n\u003ch3\u003eOn the floor\u003c\/h3\u003e\n\u003cp\u003eWorks in low-traffic floor areas where a modern register-style look is preferred. For busy walkways or heavy foot traffic, choose a heavier-duty floor register.\u003c\/p\u003e\n\u003ch2\u003ePremium Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo-plastic construction:\u003c\/strong\u003e Aluminum construction gives the diffuser a more premium feel than plastic covers and helps prevent cracking or yellowing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern surface-mount design:\u003c\/strong\u003e The face sits cleanly over the duct opening, making it ideal for retrofit projects and design upgrades.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComfort-focused airflow:\u003c\/strong\u003e The adjustable blade system helps distribute conditioned air more evenly across the room.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReusable and removable:\u003c\/strong\u003e The unit can be removed for cleaning, painting, maintenance, or future room updates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for Everyday Residential Use:\u003c\/strong\u003e Designed and crafted in Vietnam with attention to finish quality, durability, and practical usability for U.S. homeowners and contractors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e5-Minute Retrofit Installation\u003c\/h2\u003e\n\u003cp\u003eDesigned as a direct replacement for standard 12\" × 4\" duct openings with no structural modification required.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Walls \u0026amp; Ceilings:\u003c\/strong\u003e Mounts with the included screws through pre-drilled hidden side holes. Only a screwdriver and the included adjustment tool are needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Floors:\u003c\/strong\u003e Drop the cover into the existing opening in low-traffic areas. Optional screws may be used for extra hold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Removable:\u003c\/strong\u003e The diffuser can be removed for cleaning, painting, maintenance, or future room updates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe loading=\"lazy\" title=\"Installation guide — Green Vent 12x4 aluminum linear slot diffuser\" src=\"https:\/\/www.youtube.com\/embed\/2NETJ1EgEis\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGreen Vent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum Linear Slot Diffuser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDuct Opening Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12\" × 4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNeck Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11-3\/4\" × 3-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall Face Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13-3\/4\" × 5-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor \/ Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack \/ Powder-coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAlloy Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShape\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRectangular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation \/ Mounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScrew-In for wall\/ceiling; drop-in for low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAirflow Direction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-directional adjustable: left \/ right \/ both \/ closed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupply air, return air, low-traffic floor register use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Surfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWall, ceiling, low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVietnam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncluded Components\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScrew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e1. What size do I order — 12x4 or face size?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOrder by duct opening size. 12x4 means a 12\" × 4\" duct opening—the hole in your wall, ceiling, or floor. The visible face size of this diffuser is 13-3\/4\" × 5-3\/4\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. Is a linear slot diffuser better for modern interiors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor contemporary rooms, yes. The straight slot profile looks cleaner than stamped louvers and pairs well with minimalist walls, ceilings, hardwood floors, and modern trim details.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Can I install this 12x4 vent cover on a ceiling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. This 12x4 linear slot diffuser can be installed on walls, ceilings, or low-traffic floors as long as the duct opening measures 12\" × 4\". Use the included screws for wall and ceiling installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Does it include an adjustable airflow damper?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The built-in adjustment bar lets you direct airflow left, right, evenly to both sides, or fully close the blades to reduce airflow into unused rooms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. Can this diffuser be used for both supply and return air?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt can be used for supply air and many residential return openings. For high-volume returns or filtration needs, choose a dedicated Green Vent air return grille with pre-filter instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. Can I use a filter with this linear slot diffuser?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Standard filters should not be placed behind individual vent covers because they can restrict airflow and strain the HVAC system. Use a return grille with a pre-filter if filtration at the vent is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7. Is the finish paintable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The powder-coated finish is durable as shipped, but it can be lightly sanded, primed, and painted with standard spray paint for custom color matching.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8. Can this be installed outdoors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, in sheltered locations such as covered patios, garages, and enclosed porches. It is not intended for direct rain exposure.\u003c\/p\u003e\n\u003ch2\u003eExplore related Green Vent products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/products\/12x4-aluminum-linear-slot-diffuser\"\u003e12x4 white aluminum linear slot diffuser\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/12x4-vent-covers\"\u003e12x4 vent covers collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/black-linear-slot-diffusers\"\u003eblack linear slot diffusers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/linear-slot-diffuser\"\u003elinear slot diffuser collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/air-vent-covers\"\u003emodern air vent covers\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFor multi-room projects, standardize by duct opening size and finish so the vents look consistent across the home.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"eager\" alt=\"Green Vent 10x6 aluminum linear slot diffuser in white powder-coated finish, front view\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Side angled view of 10x6 white linear slot diffuser showing extruded aluminum profile and slot depth\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_2.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 linear slot diffuser installed on white wall in modern living room\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_3.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 aluminum vent cover mounted on ceiling above contemporary kitchen island\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_4.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 white vent cover installed flush on hardwood floor near baseboard\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_5.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hand measuring 10 inch by 6 inch duct opening with tape measure for sizing reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_6.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Diagram showing duct opening 10 by 6 inches and overall face size 11.75 by 7.75 inches\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_7.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Step-by-step retrofit installation of 10x6 aluminum linear slot diffuser on drywall\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_8.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Close-up of multi-directional adjustable airflow blade on 10x6 linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_9.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hidden side-screw mounting detail on 10x6 white aluminum vent cover\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_10.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"What is in the box - 10x6 linear slot diffuser, mounting screws, and blade adjustment tool\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_11.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"TÜV Rheinland tested certification badge for Green Vent 10x6 aluminum linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_12.jpg?v=1778639719\"\u003e\u003c\/p\u003e","brand":"GREEN VENT","offers":[{"title":"Default Title","offer_id":52356129489268,"sku":"GV.DLS.122B","price":26.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/aluminum-matte-black-linear-slot-diffuser-12x2-modern-air-vent-cover.webp?v=1769703080"},{"product_id":"14x2-black-aluminum-linear-slot-diffuser","title":"14x2 Black Premium Aluminum Linear Slot Diffuser – Modern Design (Duct Opening)","description":"\u003cp\u003e⚠️ \u003cstrong\u003eCHECK SIZE BEFORE PURCHASE:\u003c\/strong\u003e This 14x2 linear slot diffuser fits a \u003cstrong\u003e14\" × 2\" duct opening\u003c\/strong\u003e (the hole in your wall, ceiling, or floor — not your old cover face). \u003ca href=\"#gv-sizing-guide\"\u003eSee the full 14x2 sizing guide →\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits a 14\" × 2\" duct opening\u003c\/strong\u003e — measure the hole, not your old cover face.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop-in surface-mount replacement\u003c\/strong\u003e — no drywall, flooring, or duct modification required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern minimalist slot design\u003c\/strong\u003e for contemporary interiors and cleaner visual lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid alloy aluminum\u003c\/strong\u003e — rust-resistant, durable, and zero plastic parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall, ceiling, or low-traffic floor compatible\u003c\/strong\u003e — one diffuser, multiple install scenarios.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-directional adjustable airflow\u003c\/strong\u003e — direct air left, right, both ways, or fully closed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality-built aluminum finish\u003c\/strong\u003e — crafted for residential spaces where durability, clean looks, and everyday usability matter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDesigned for modern interiors, engineered for comfort\u003c\/h2\u003e\n\u003cp\u003eGive your 14\" × 2\" vent opening a contemporary finish with a durable aluminum linear slot diffuser—no remodeling required. This black surface-mount diffuser installs on walls, ceilings, and low-traffic floors, giving existing duct openings a cleaner, more intentional finish. Black finish works well with dark ceilings, industrial-style rooms, accent walls, modern lofts, black lighting fixtures, and contrast-driven interiors.\u003c\/p\u003e\n\u003ch2\u003eDesigned to upgrade, not to remodel\u003c\/h2\u003e\n\u003cp\u003eFor homeowners who want a modern look without contractor work, this diffuser is a practical replacement path. It covers the duct opening with a clean slot profile and installs with basic tools.\u003c\/p\u003e\n\u003cp\u003eInside: heavy-gauge aluminum, a multi-directional adjustable blade system, and a powder-coated finish made for everyday residential use. Outside: a clean slot profile that looks more refined than a bulky stamped grille.\u003c\/p\u003e\n\u003ch2 id=\"gv-sizing-guide\"\u003eSizing Guide — Will a 14x2 fit your space?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIMPORTANT:\u003c\/strong\u003e Measure the hole in your wall, ceiling, or floor — do not measure your old vent cover.\u003c\/p\u003e\n\u003cp\u003eThis 14x2 aluminum vent cover is designed to fit a standard 14\" × 2\" duct opening (also listed as a 2x14 wall register or 2 x 14 vent cover).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuct opening size:\u003c\/strong\u003e 14\" × 2\" (this is what you measure)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeck size:\u003c\/strong\u003e 13-3\/4\" × 1-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall face size:\u003c\/strong\u003e 15-3\/4\" × 3-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign note:\u003c\/strong\u003e Like all linear slot diffusers, this model has a narrower face panel than many traditional louvered grilles to achieve a cleaner, minimal aesthetic. It may not fully conceal the unpainted area left by an old AC vent cover — a light paint touch-up may be needed for a perfectly finished look.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQuick check:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eRemove your existing vent cover.\u003c\/li\u003e\n\u003cli\u003eMeasure the \u003cem\u003eopening\u003c\/em\u003e in the wall, ceiling, or floor — not the old cover.\u003c\/li\u003e\n\u003cli\u003eIf the opening is approximately 14\" × 2\", this 14x2 linear slot diffuser fits.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eDesigned for modern homes\u003c\/h2\u003e\n\u003cp\u003eThe 14x2 size is designed for extra-long slim openings where the vent should read as a thin architectural line. It is a strong fit for soffits, narrow ceiling runs, modern hallways, and accent-wall applications where the finish matters as much as the function.\u003c\/p\u003e\n\u003ch3\u003eOn the wall\u003c\/h3\u003e\n\u003cp\u003eReplaces dated stamped-steel grilles in soffits, narrow ceiling runs, modern hallways, and accent-wall applications. The clean slot line helps the HVAC opening blend into the room instead of becoming a visual distraction.\u003c\/p\u003e\n\u003ch3\u003eOn the ceiling\u003c\/h3\u003e\n\u003cp\u003eCreates a low-profile look for finished ceilings, modern condos, kitchens, bathrooms, and basements. Use the included screws for a secure wall or ceiling installation.\u003c\/p\u003e\n\u003ch3\u003eOn the floor\u003c\/h3\u003e\n\u003cp\u003eWorks in low-traffic floor areas where a modern register-style look is preferred. For busy walkways or heavy foot traffic, choose a heavier-duty floor register.\u003c\/p\u003e\n\u003ch2\u003ePremium Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlloy aluminum construction:\u003c\/strong\u003e A heavy-gauge aluminum body with no plastic parts helps resist rust, warping, yellowing, and everyday wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean architectural finish:\u003c\/strong\u003e The powder-coated face wipes clean easily and gives walls, ceilings, or floors a sharper modern profile.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable airflow control:\u003c\/strong\u003e The built-in adjustment bar lets you direct airflow left, right, both ways, or fully closed for unused rooms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuiet slot geometry:\u003c\/strong\u003e Wider slot spacing helps air move at a controlled velocity, reducing the harsh whistle often heard from narrow-slot covers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for Everyday Residential Use:\u003c\/strong\u003e Designed and crafted in Vietnam with attention to finish quality, durability, and practical usability for U.S. homeowners and contractors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e5-Minute Retrofit Installation\u003c\/h2\u003e\n\u003cp\u003eDesigned as a direct replacement for standard 14\" × 2\" duct openings with no structural modification required.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Walls \u0026amp; Ceilings:\u003c\/strong\u003e Mounts with the included screws through pre-drilled hidden side holes. Only a screwdriver and the included adjustment tool are needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Floors:\u003c\/strong\u003e Drop the cover into the existing opening in low-traffic areas. Optional screws may be used for extra hold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Removable:\u003c\/strong\u003e The diffuser can be removed for cleaning, painting, maintenance, or future room updates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe loading=\"lazy\" title=\"Installation guide — Green Vent 14x2 aluminum linear slot diffuser\" src=\"https:\/\/www.youtube.com\/embed\/2NETJ1EgEis\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGreen Vent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum Linear Slot Diffuser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDuct Opening Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14\" × 2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNeck Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13-3\/4\" × 1-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall Face Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15-3\/4\" × 3-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor \/ Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack \/ Powder-coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAlloy Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShape\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRectangular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation \/ Mounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScrew-In for wall\/ceiling; drop-in for low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAirflow Direction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-directional adjustable: left \/ right \/ both \/ closed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupply air, return air, low-traffic floor register use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Surfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWall, ceiling, low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVietnam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncluded Components\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScrew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e1. What size do I order — 14x2 or face size?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOrder by duct opening size. 14x2 means a 14\" × 2\" duct opening—the hole in your wall, ceiling, or floor. The visible face size of this diffuser is 15-3\/4\" × 3-3\/4\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. Is a linear slot diffuser better for modern interiors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor contemporary rooms, yes. The straight slot profile looks cleaner than stamped louvers and pairs well with minimalist walls, ceilings, hardwood floors, and modern trim details.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Can I install this 14x2 vent cover on a ceiling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. This 14x2 linear slot diffuser can be installed on walls, ceilings, or low-traffic floors as long as the duct opening measures 14\" × 2\". Use the included screws for wall and ceiling installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Does it include an adjustable airflow damper?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The built-in adjustment bar lets you direct airflow left, right, evenly to both sides, or fully close the blades to reduce airflow into unused rooms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. Can this diffuser be used for both supply and return air?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt can be used for supply air and many residential return openings. For high-volume returns or filtration needs, choose a dedicated Green Vent air return grille with pre-filter instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. Can I use a filter with this linear slot diffuser?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Standard filters should not be placed behind individual vent covers because they can restrict airflow and strain the HVAC system. Use a return grille with a pre-filter if filtration at the vent is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7. Is the finish paintable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The powder-coated finish is durable as shipped, but it can be lightly sanded, primed, and painted with standard spray paint for custom color matching.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8. Can this be installed outdoors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, in sheltered locations such as covered patios, garages, and enclosed porches. It is not intended for direct rain exposure.\u003c\/p\u003e\n\u003ch2\u003eExplore related Green Vent products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/black-linear-slot-diffusers\"\u003eblack linear slot diffusers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/linear-slot-diffuser\"\u003elinear slot diffuser collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/air-vent-covers\"\u003emodern air vent covers\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot sure about size or finish? Contact Green Vent support before ordering and we will help you choose the right vent cover for your space.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"eager\" alt=\"Green Vent 10x6 aluminum linear slot diffuser in white powder-coated finish, front view\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Side angled view of 10x6 white linear slot diffuser showing extruded aluminum profile and slot depth\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_2.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 linear slot diffuser installed on white wall in modern living room\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_3.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 aluminum vent cover mounted on ceiling above contemporary kitchen island\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_4.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 white vent cover installed flush on hardwood floor near baseboard\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_5.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hand measuring 10 inch by 6 inch duct opening with tape measure for sizing reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_6.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Diagram showing duct opening 10 by 6 inches and overall face size 11.75 by 7.75 inches\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_7.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Step-by-step retrofit installation of 10x6 aluminum linear slot diffuser on drywall\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_8.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Close-up of multi-directional adjustable airflow blade on 10x6 linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_9.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hidden side-screw mounting detail on 10x6 white aluminum vent cover\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_10.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"What is in the box - 10x6 linear slot diffuser, mounting screws, and blade adjustment tool\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_11.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"TÜV Rheinland tested certification badge for Green Vent 10x6 aluminum linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_12.jpg?v=1778639719\"\u003e\u003c\/p\u003e","brand":"GREEN VENT","offers":[{"title":"Default Title","offer_id":52356204855668,"sku":"GV.DLS.142B","price":30.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/aluminum-matte-black-linear-slot-diffuser-14x2-modern-air-vent-cover.webp?v=1769701052"},{"product_id":"14x6-black-aluminum-linear-slot-diffuser","title":"14x6 Black Premium Aluminum Linear Slot Diffuser – Modern Design (Duct Opening)","description":"\u003cp\u003e⚠️ \u003cstrong\u003eCHECK SIZE BEFORE PURCHASE:\u003c\/strong\u003e This 14x6 linear slot diffuser fits a \u003cstrong\u003e14\" × 6\" duct opening\u003c\/strong\u003e (the hole in your wall, ceiling, or floor — not your old cover face). \u003ca href=\"#gv-sizing-guide\"\u003eSee the full 14x6 sizing guide →\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits a 14\" × 6\" duct opening\u003c\/strong\u003e — measure the hole, not your old cover face.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop-in surface-mount replacement\u003c\/strong\u003e — no drywall, flooring, or duct modification required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern minimalist slot design\u003c\/strong\u003e for contemporary interiors and cleaner visual lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid alloy aluminum\u003c\/strong\u003e — rust-resistant, durable, and zero plastic parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall, ceiling, or low-traffic floor compatible\u003c\/strong\u003e — one diffuser, multiple install scenarios.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-directional adjustable airflow\u003c\/strong\u003e — direct air left, right, both ways, or fully closed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality-built aluminum finish\u003c\/strong\u003e — crafted for residential spaces where durability, clean looks, and everyday usability matter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDesigned for modern interiors, engineered for comfort\u003c\/h2\u003e\n\u003cp\u003eGive your 14\" × 6\" vent opening a contemporary finish with a durable aluminum linear slot diffuser—no remodeling required. This black surface-mount diffuser installs on walls, ceilings, and low-traffic floors, giving existing duct openings a cleaner, more intentional finish. Black finish works well with dark ceilings, industrial-style rooms, accent walls, modern lofts, black lighting fixtures, and contrast-driven interiors.\u003c\/p\u003e\n\u003ch2\u003eDesigned to upgrade, not to remodel\u003c\/h2\u003e\n\u003cp\u003eMost modern flush vents are designed for new flooring or drywall work. This Green Vent model is built for real replacement projects: remove the old cover, confirm the duct opening, mount the new diffuser, and adjust the airflow.\u003c\/p\u003e\n\u003cp\u003eInside: heavy-gauge aluminum, a multi-directional adjustable blade system, and a powder-coated finish made for everyday residential use. Outside: a clean slot profile that looks more refined than a bulky stamped grille.\u003c\/p\u003e\n\u003ch2 id=\"gv-sizing-guide\"\u003eSizing Guide — Will a 14x6 fit your space?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIMPORTANT:\u003c\/strong\u003e Measure the hole in your wall, ceiling, or floor — do not measure your old vent cover.\u003c\/p\u003e\n\u003cp\u003eThis 14x6 aluminum vent cover is designed to fit a standard 14\" × 6\" duct opening (also listed as a 6x14 wall register or 6 x 14 vent cover).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuct opening size:\u003c\/strong\u003e 14\" × 6\" (this is what you measure)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeck size:\u003c\/strong\u003e 13-3\/4\" × 5-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall face size:\u003c\/strong\u003e 15-3\/4\" × 7-3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign note:\u003c\/strong\u003e Like all linear slot diffusers, this model has a narrower face panel than many traditional louvered grilles to achieve a cleaner, minimal aesthetic. It may not fully conceal the unpainted area left by an old AC vent cover — a light paint touch-up may be needed for a perfectly finished look.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQuick check:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eRemove your existing vent cover.\u003c\/li\u003e\n\u003cli\u003eMeasure the \u003cem\u003eopening\u003c\/em\u003e in the wall, ceiling, or floor — not the old cover.\u003c\/li\u003e\n\u003cli\u003eIf the opening is approximately 14\" × 6\", this 14x6 linear slot diffuser fits.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eDesigned for modern homes\u003c\/h2\u003e\n\u003cp\u003eThe 14x6 size suits larger residential openings in living rooms, master suites, kitchens, and finished basements. It gives a wide duct opening a cleaner, low-profile finish while maintaining the practical surface-mount installation homeowners need for replacement projects.\u003c\/p\u003e\n\u003ch3\u003eOn the wall\u003c\/h3\u003e\n\u003cp\u003eReplaces dated stamped-steel grilles in living rooms, master suites, kitchens, and finished basements. The clean slot line helps the HVAC opening blend into the room instead of becoming a visual distraction.\u003c\/p\u003e\n\u003ch3\u003eOn the ceiling\u003c\/h3\u003e\n\u003cp\u003eCreates a low-profile look for finished ceilings, modern condos, kitchens, bathrooms, and basements. Use the included screws for a secure wall or ceiling installation.\u003c\/p\u003e\n\u003ch3\u003eOn the floor\u003c\/h3\u003e\n\u003cp\u003eWorks in low-traffic floor areas where a modern register-style look is preferred. For busy walkways or heavy foot traffic, choose a heavier-duty floor register.\u003c\/p\u003e\n\u003ch2\u003ePremium Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlloy aluminum construction:\u003c\/strong\u003e A heavy-gauge aluminum body with no plastic parts helps resist rust, warping, yellowing, and everyday wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean architectural finish:\u003c\/strong\u003e The powder-coated face wipes clean easily and gives walls, ceilings, or floors a sharper modern profile.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable airflow control:\u003c\/strong\u003e The built-in adjustment bar lets you direct airflow left, right, both ways, or fully closed for unused rooms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuiet slot geometry:\u003c\/strong\u003e Wider slot spacing helps air move at a controlled velocity, reducing the harsh whistle often heard from narrow-slot covers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for Everyday Residential Use:\u003c\/strong\u003e Designed and crafted in Vietnam with attention to finish quality, durability, and practical usability for U.S. homeowners and contractors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e5-Minute Retrofit Installation\u003c\/h2\u003e\n\u003cp\u003eDesigned as a direct replacement for standard 14\" × 6\" duct openings with no structural modification required.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Walls \u0026amp; Ceilings:\u003c\/strong\u003e Mounts with the included screws through pre-drilled hidden side holes. Only a screwdriver and the included adjustment tool are needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn Floors:\u003c\/strong\u003e Drop the cover into the existing opening in low-traffic areas. Optional screws may be used for extra hold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Removable:\u003c\/strong\u003e The diffuser can be removed for cleaning, painting, maintenance, or future room updates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe loading=\"lazy\" title=\"Installation guide — Green Vent 14x6 aluminum linear slot diffuser\" src=\"https:\/\/www.youtube.com\/embed\/2NETJ1EgEis\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGreen Vent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum Linear Slot Diffuser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDuct Opening Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14\" × 6\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNeck Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13-3\/4\" × 5-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall Face Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15-3\/4\" × 7-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor \/ Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack \/ Powder-coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAlloy Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShape\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRectangular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation \/ Mounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScrew-In for wall\/ceiling; drop-in for low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAirflow Direction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-directional adjustable: left \/ right \/ both \/ closed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupply air, return air, low-traffic floor register use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Surfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWall, ceiling, low-traffic floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVietnam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncluded Components\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScrew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e1. What size do I order — 14x6 or face size?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOrder by duct opening size. 14x6 means a 14\" × 6\" duct opening—the hole in your wall, ceiling, or floor. The visible face size of this diffuser is 15-3\/4\" × 7-3\/4\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. What is the difference between a linear slot diffuser and a regular vent cover?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA linear slot diffuser moves air through a clean continuous slot instead of a visible louvered face. The result is a more modern look and a smoother airflow pattern for residential supply or return openings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Can I install this 14x6 vent cover on a ceiling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. This 14x6 linear slot diffuser can be installed on walls, ceilings, or low-traffic floors as long as the duct opening measures 14\" × 6\". Use the included screws for wall and ceiling installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Does it include an adjustable airflow damper?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The built-in adjustment bar lets you direct airflow left, right, evenly to both sides, or fully close the blades to reduce airflow into unused rooms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. Can this diffuser be used for both supply and return air?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt can be used for supply air and many residential return openings. For high-volume returns or filtration needs, choose a dedicated \u003ca href=\"https:\/\/www.greenvent.us\/products\/14x6-air-return-grille-pre-filter\"\u003e14x6 air return grille with pre-filter\u003c\/a\u003e instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. Can I use a filter with this linear slot diffuser?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Standard filters should not be placed behind individual vent covers because they can restrict airflow and strain the HVAC system. Use a return grille with a pre-filter if filtration at the vent is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7. Is the finish paintable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The powder-coated finish is durable as shipped, but it can be lightly sanded, primed, and painted with standard spray paint for custom color matching.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8. Can this be installed outdoors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, in sheltered locations such as covered patios, garages, and enclosed porches. It is not intended for direct rain exposure.\u003c\/p\u003e\n\u003ch2\u003eExplore related Green Vent products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/products\/14x6-aluminum-linear-slot-diffuser\"\u003e14x6 white aluminum linear slot diffuser\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/products\/14x6-air-return-grille-pre-filter\"\u003e14x6 air return grille with pre-filter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/14x6-vent-covers\"\u003e14x6 vent covers collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/black-linear-slot-diffusers\"\u003eblack linear slot diffusers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.greenvent.us\/collections\/linear-slot-diffuser\"\u003elinear slot diffuser collection\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot sure about size or finish? Contact Green Vent support before ordering and we will help you choose the right vent cover for your space.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"eager\" alt=\"Green Vent 10x6 aluminum linear slot diffuser in white powder-coated finish, front view\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Side angled view of 10x6 white linear slot diffuser showing extruded aluminum profile and slot depth\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_2.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 linear slot diffuser installed on white wall in modern living room\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_3.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 aluminum vent cover mounted on ceiling above contemporary kitchen island\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_4.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"10x6 white vent cover installed flush on hardwood floor near baseboard\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_5.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hand measuring 10 inch by 6 inch duct opening with tape measure for sizing reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_6.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Diagram showing duct opening 10 by 6 inches and overall face size 11.75 by 7.75 inches\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_7.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Step-by-step retrofit installation of 10x6 aluminum linear slot diffuser on drywall\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_8.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Close-up of multi-directional adjustable airflow blade on 10x6 linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_9.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Hidden side-screw mounting detail on 10x6 white aluminum vent cover\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_10.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"What is in the box - 10x6 linear slot diffuser, mounting screws, and blade adjustment tool\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_11.jpg?v=1778639719\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"TÜV Rheinland tested certification badge for Green Vent 10x6 aluminum linear slot diffuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/modern-air-vent-cover-lineaer-slot-diffuser-green-vent_12.jpg?v=1778639719\"\u003e\u003c\/p\u003e","brand":"GREEN VENT","offers":[{"title":"Default Title","offer_id":52356204921204,"sku":"GV.DLS.146B","price":39.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/aluminum-matte-black-linear-slot-diffuser-14x6-modern-air-vent-cover.webp?v=1769574132"}],"url":"https:\/\/www.greenvent.us\/collections\/premium-aluminum-linear-slot-diffuser.oembed","provider":"Green Vent","version":"1.0","type":"link"}