{"title":"Single Slot Linear Diffuser","description":"\u003ch1\u003eSingle Slot Linear Diffuser: Modern Aluminum Vent for Clean, Even Airflow\u003c\/h1\u003e\n\u003cp\u003eA \u003ca href=\"https:\/\/www.greenvent.us\/collections\/single-slot-linear-diffuser\/#\"\u003esingle slot linear diffuser\u003c\/a\u003e is an aluminum HVAC vent cover with exactly one continuous narrow opening — the slot — that delivers or returns air in a smooth, linear pattern across a ceiling, wall, or floor surface. It serves as both a \u003ca href=\"https:\/\/www.greenvent.us\/collections\/supply-air-vents\"\u003esupply air diffuser\u003c\/a\u003e and a \u003ca href=\"https:\/\/www.greenvent.us\/collections\/air-return-grille\"\u003ereturn air grille\u003c\/a\u003e depending on your duct configuration, making it one of the most versatile vent options in modern residential HVAC.\u003c\/p\u003e\n\u003cp\u003eThis page covers everything you need to make a confident purchase decision: what the single-slot format is, how it compares to double and triple-slot variants, which Green Vent type suits your space, available sizes, and a clear step-by-step selection path. Green Vent's single slot linear diffusers are crafted from premium aluminum alloy and available in White (S-Type) and Black (L-Type EVG14D) to match any modern interior. Understanding the single-slot mechanism is the right first step before choosing.\u003c\/p\u003e\n\u003ch2\u003eWhat Is a Single Slot Linear Diffuser?\u003c\/h2\u003e\n\u003cp\u003eA single slot linear diffuser is an aluminum HVAC \u003ca href=\"https:\/\/www.greenvent.us\/collections\/air-vent-covers\"\u003event cover\u003c\/a\u003e with one continuous narrow opening — called a slot — that delivers or returns air in a smooth, linear pattern across a ceiling, wall, or floor. The \"single slot\" designation means exactly one opening spans the length of the diffuser face, as opposed to double-slot or triple-slot configurations with two or three openings respectively. Slot width is typically 3\/4\" (19mm) or 1\" (25mm), both of which are standard residential dimensions. Constructed from extruded aluminum, the single slot linear diffuser is lightweight, rust-resistant by nature, and engineered for a flush, architecturally minimal profile on modern ceilings and walls.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey attributes at a glance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne continuous opening\u003c\/strong\u003e — the narrowest and most discreet face profile in the \u003ca href=\"https:\/\/www.greenvent.us\/collections\/linear-slot-diffuser\"\u003elinear diffuser\u003c\/a\u003e family\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlot widths:\u003c\/strong\u003e 1\" (25mm) — both are standard residential options\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual function:\u003c\/strong\u003e serves as a supply air diffuser or a return air grille depending on ducting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e extruded aluminum — lightweight, corrosion-resistant, and paintable for a smooth finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/single-slot-linear-diffuser.jpg?v=1775792030\" alt=\"ingle slot linear diffuser aluminum white showing one narrow slot opening\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003eUnderstanding how that single slot moves air through a room is what determines whether a 1-slot configuration is the right choice for your space.\u003c\/p\u003e\n\u003ch3\u003eHow the Single Slot Opening Controls Airflow\u003c\/h3\u003e\n\u003cp\u003eThe single slot opening controls airflow by directing air through one narrow channel, where adjustable deflector blades set the distribution pattern — either 1-way (air thrown in one direction) or 2-way (air thrown symmetrically on both sides). Deflector blades on most residential single slot diffusers can rotate across a wide arc, giving you meaningful directional control without touching the ductwork. At standard residential static pressures, single-slot diffusers are designed to operate quietly — targeting an NC range of 20–25, which is well suited for bedrooms, home offices, and living rooms where noise matters. Green Vent's L-Type (EVG14D) takes this a step further with a built-in airflow controller for precise, on-demand adjustment without duct access.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/single-slot-linear-diffuser-1.jpg?v=1775792059\" alt=\"single slot linear diffuser airflow pattern 1-way 2-way diagram\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003eNow that the mechanism is clear, the key decision is knowing how a single-slot configuration compares to double or triple-slot options — and which one your room actually needs.\u003c\/p\u003e\n\u003ch2\u003eSingle Slot vs. Double Slot vs. Triple Slot Linear Diffusers\u003c\/h2\u003e\n\u003cp\u003eThe primary difference between single, double, and triple slot linear diffusers is airflow capacity — a single slot delivers controlled, lower-volume airflow suited to quieter residential spaces, while double and triple-slot models are designed for larger rooms and higher-demand HVAC zones.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eAttribute\u003c\/th\u003e\n\u003cth\u003e1-Slot (Single)\u003c\/th\u003e\n\u003cth\u003e2-Slot (Double)\u003c\/th\u003e\n\u003cth\u003e3-Slot (Triple)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSlot Count\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTypical Slot Width\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\"\u003c\/td\u003e\n\u003ctd\u003e1\"\u003c\/td\u003e\n\u003ctd\u003e1\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAirflow Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLower volume — suited to controlled residential zones\u003c\/td\u003e\n\u003ctd\u003eModerate volume — handles larger open-plan spaces\u003c\/td\u003e\n\u003ctd\u003eHigher volume — designed for commercial and large residential\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFace Profile Width\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNarrowest\u003c\/td\u003e\n\u003ctd\u003eModerate\u003c\/td\u003e\n\u003ctd\u003eWidest\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBest Application\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBedrooms, condos, home offices, hallways\u003c\/td\u003e\n\u003ctd\u003eLiving rooms, open-plan residential\u003c\/td\u003e\n\u003ctd\u003eRetail spaces, offices, commercial lobbies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAesthetic Impact\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMost discreet — minimal visual presence\u003c\/td\u003e\n\u003ctd\u003eBalanced visibility\u003c\/td\u003e\n\u003ctd\u003eMore visible — wider face\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eGreen Vent's single slot linear diffusers are available in two distinct types — each designed for a specific aesthetic and functional requirement.\u003c\/p\u003e\n\u003ch2\u003eGreen Vent Single Slot Linear Diffuser Types\u003c\/h2\u003e\n\u003cp\u003eGreen Vent offers single slot linear diffusers in two aluminum types: the S-Type in white for a clean decorative finish, and the L-Type (EVG14D) in black with an integrated airflow controller. Both types are built from premium aluminum alloy, suited for ceiling, wall, and floor placement, and available in a comprehensive range of sizes for modern residential and light commercial applications.\u003c\/p\u003e\n\u003ch3\u003eBlack Single Slot Linear Diffuser\u003c\/h3\u003e\n\u003cp\u003eThe Green Vent black aluminum single slot linear diffuser with an integrated airflow controller, designed for design-forward spaces where both aesthetics and active airflow regulation matter. Its \u003ca href=\"https:\/\/www.greenvent.us\/collections\/black-linear-slot-diffuser\"\u003ematte black finish\u003c\/a\u003e creates a high-contrast architectural accent — particularly effective against dark ceilings, exposed beams, black trim, and kitchen island soffits. The built-in airflow controller allows manual flow regulation directly from the diffuser face, eliminating the need for duct access after installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Premium aluminum alloy — rust-resistant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Matte black — high-contrast accent for dark and design-forward interiors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDifferentiator:\u003c\/strong\u003e Integrated airflow controller (OBD-style) — manual regulation without duct access\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Supply air primary; return air compatible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlacement:\u003c\/strong\u003e Ceiling, wall, floor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable sizes:\u003c\/strong\u003e 12×2, 14×2.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack options:\u003c\/strong\u003e Single pack and 2-pack available\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/single-slot-linear-diffuser-2.jpg?v=1775792094\" alt=\"Green Vent Type L black single slot linear diffuser with airflow controller ceiling\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003eOnce you've identified the right type, confirm the correct size using Green Vent's available dimensions and the technical specifications below.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eSingle Slot Linear Diffuser Sizes and Technical Specifications\u003c\/h2\u003e\n\u003cp\u003eGreen Vent single slot linear with the narrowest profile options at 12×2 and 14×2 for ultra-slim ceiling runs and tight architectural reveals.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; height: 470.25px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003cth style=\"width: 19.8466%; height: 39.1875px;\"\u003eSize Tier\u003c\/th\u003e\n\u003cth style=\"width: 19.707%; height: 39.1875px;\"\u003eDuct Face Size (inches)\u003c\/th\u003e\n\u003cth style=\"width: 10.5078%; height: 39.1875px;\"\u003eSlot Profile\u003c\/th\u003e\n\u003cth style=\"width: 13.1027%; height: 39.1875px;\"\u003eAirflow Type\u003c\/th\u003e\n\u003cth style=\"width: 16.49%; height: 39.1875px;\"\u003ePlacement\u003c\/th\u003e\n\u003cth style=\"width: 13.2031%; height: 39.1875px;\"\u003eFinish Options\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 19.8466%; height: 39.1875px;\"\u003e\u003cstrong\u003eFull-Length (12–14 Series)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 19.707%; height: 39.1875px;\"\u003e12×2\u003c\/td\u003e\n\u003ctd style=\"width: 10.5078%; height: 39.1875px;\"\u003eSingle slot\u003c\/td\u003e\n\u003ctd style=\"width: 13.1027%; height: 39.1875px;\"\u003eSupply \/ Return\u003c\/td\u003e\n\u003ctd style=\"width: 16.49%; height: 39.1875px;\"\u003eCeiling, Wall\u003c\/td\u003e\n\u003ctd style=\"width: 13.2031%; height: 39.1875px;\"\u003eWhite, Black\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 19.8466%; height: 39.1875px;\"\u003e\u003cstrong\u003eFull-Length (12–14 Series)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 19.707%; height: 39.1875px;\"\u003e14×2\u003c\/td\u003e\n\u003ctd style=\"width: 10.5078%; height: 39.1875px;\"\u003eSingle slot\u003c\/td\u003e\n\u003ctd style=\"width: 13.1027%; height: 39.1875px;\"\u003eSupply \/ Return\u003c\/td\u003e\n\u003ctd style=\"width: 16.49%; height: 39.1875px;\"\u003eCeiling, Wall\u003c\/td\u003e\n\u003ctd style=\"width: 13.2031%; height: 39.1875px;\"\u003eWhite, Black\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/single-slot-linear-diffuser-3.jpg?v=1775792122\" alt=\"single slot linear diffuser size comparison 12x2 vs 12x6 aluminum vent\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003eKnowing the correct size is only part of the decision — the functional benefits of the single-slot format are what confirm it's the right diffuser architecture for your room.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eBenefits of a Single Slot Linear Diffuser\u003c\/h2\u003e\n\u003cp\u003eA single slot linear diffuser delivers five compounding advantages over traditional vent grilles: a discreet profile, quiet low-velocity airflow, rust-resistant durability, DIY-friendly installation, and supply-and-return versatility.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimal Aesthetic Footprint\u003c\/strong\u003e — One slot creates the slimmest visible face of any linear diffuser configuration, integrating cleanly into ceilings and walls without drawing the eye or interrupting a room's design intent.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuiet Operation\u003c\/strong\u003e — The single-slot configuration is designed to operate at low acoustic levels — targeting NC 20–25 at standard residential static pressures — making it a practical air flow option for bedrooms, home offices, and living spaces where background noise matters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRust-Resistant Aluminum Construction\u003c\/strong\u003e — Premium aluminum alloy does not corrode in humid environments, such as bathrooms, kitchens, and basements, offering better corrosion resistance than galvanized steel alternatives and a significantly longer service lifespan.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIY-Compatible Design\u003c\/strong\u003e — The lightweight aluminum frame can be installed by a single person using only basic tools; no HVAC certification or specialist is required for standard ceiling, wall, or floor mounting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupply and Return Versatility\u003c\/strong\u003e — The same unit can serve as a supply diffuser or a return air grille depending on system configuration, reducing the number of vent cover types needed across a home.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe right placement of a single slot diffuser — whether ceiling, wall, or floor — amplifies each of these benefits for your specific room layout.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhere to Install a Single Slot Linear Diffuser\u003c\/h2\u003e\n\u003cp\u003eA single slot linear diffuser can be installed on the ceiling, wall, or floor — with ceiling placement being the most common choice for residential spaces due to its ability to deliver even, draft-free air distribution across the entire room. Each surface offers specific performance and aesthetic advantages depending on room type and HVAC layout.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSurface\u003c\/th\u003e\n\u003cth\u003eRoom Examples\u003c\/th\u003e\n\u003cth\u003eGreen Vent Recommendation\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCeiling\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLiving rooms, bedrooms, hallways, kitchens above cabinets\u003c\/td\u003e\n\u003ctd\u003eBest for uniform whole-room coverage; pairs with both S-Type (white) and L-Type (black EVG14D)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWall\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBelow window sills, perimeter walls in condos, narrow corridors\u003c\/td\u003e\n\u003ctd\u003eIdeal for perimeter heating and cooling; the slim single-slot reveal stays subtle against flat wall surfaces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFloor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUnder built-in furniture, open floor areas, perimeter slab runs\u003c\/td\u003e\n\u003ctd\u003eSuitable for floor placement per Green Vent catalog; confirm duct access and measure opening before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0916\/9138\/5204\/files\/single-slot-linear-diffuser-4.jpg?v=1775792373\" alt='single slot linear diffuser wall mount black modern\". Alt text panel 3: \"single slot linear diffuser floor placement aluminum' style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003eWith placement confirmed, the final step before purchasing is selecting the exact configuration — size, type, and finish — that matches both your duct opening and your interior design.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eHow to Choose the Right Single Slot Linear Diffuser\u003c\/h2\u003e\n\u003cp\u003eChoosing the right single slot linear diffuser requires matching four variables: duct opening size, airflow function (supply or return), finish color, and whether manual airflow control is needed.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasure Your Duct Opening First\u003c\/strong\u003e — The face size of the diffuser must match the duct opening dimension; measure the duct width × height in inches before selecting a catalog size. Selecting by room size alone without measuring the duct collar is the most common sizing mistake. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfirm Supply or Return Function\u003c\/strong\u003e — Both the S-Type and L-Type support supply and return air configurations per the Green Vent catalog. Consider the collection as an alternative if a washable pre-filter on the return is a priority for your space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelect Finish: White (S-Type) or Black (L-Type EVG14D)\u003c\/strong\u003e — White integrates with standard white ceilings and trim; black is the choice for contrast ceilings, dark interiors, and design-forward kitchens or loft spaces. These are the only two finish colors available in the single-slot line — no other color variants exist.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDecide on Airflow Control\u003c\/strong\u003e — Choose the L-Type (EVG14D) with its integrated controller if the HVAC zone requires manual flow regulation without duct access after installation. Choose the S-Type if a fixed, decorative diffuser with a clean face is sufficient for the space.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eOnce your selection is confirmed, installation is a DIY-friendly process requiring only basic tools — here's a brief overview of what to expect.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eSingle Slot Linear Diffuser Installation Overview\u003c\/h2\u003e\n\u003cp\u003eInstalling a single slot linear diffuser is a DIY-compatible task that requires only a drill, a level, and basic screws or mounting clips — no specialist tools or HVAC certification needed. The lightweight aluminum frame makes single-person installation feasible on ceiling and wall surfaces; the frame mounts to the duct collar opening and the diffuser core clips or screws securely into place. Damper or airflow controller adjustment on the L-Type EVG14D is performed from the diffuser face after mounting, so no further duct access is needed once installed.\u003c\/p\u003e\n\u003cp\u003eFor quick answers to the most common questions about single slot linear diffusers, see the FAQ section below.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFrequently Asked Questions About Single Slot Linear Diffusers\u003c\/h2\u003e\n\u003chr\u003e\n\u003ch3\u003eWhat does \"single slot\" mean in a linear diffuser?\u003c\/h3\u003e\n\u003cp\u003e\"Single slot\" means the diffuser face has exactly one continuous narrow opening — one slot — through which air is distributed, as opposed to double-slot (two openings) or triple-slot (three openings) configurations. The single-slot format creates the narrowest and most discreet linear diffuser profile available, with a standard slot width of either 3\/4\" (19mm) or 1\" (25mm) for residential applications.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eIs a single slot linear diffuser good for return air?\u003c\/h3\u003e\n\u003cp\u003eYes — a single slot linear diffuser can function as a return air vent when connected to a return duct, making it a versatile choice for both supply and return applications in the same room. Both the Green Vent S-Type (white) and L-Type EVG14D (black) support return air use per the verified catalog. Use a single slot diffuser on the return air duct if a flush, minimal aesthetic is the priority; choose a filter-equipped return grille instead if capturing airborne particles before they enter the air duct is needed.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eWhat is the difference between a single slot and a double slot linear diffuser?\u003c\/h3\u003e\n\u003cp\u003eThe main difference is airflow capacity: a single slot linear diffuser is designed for controlled, lower-volume airflow suited to smaller and quieter residential spaces, while a double slot diffuser handles greater airflow demands and is better suited for larger rooms or higher-volume HVAC zones. Single-slot also produces the narrowest face profile of the two — the most discreet option aesthetically. Double-slot models have a wider visible face and are a common choice for open-plan living areas, dining rooms, and connected spaces.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eHow do I clean and maintain a single slot linear diffuser?\u003c\/h3\u003e\n\u003cp\u003eCleaning a single slot linear diffuser requires only a damp cloth or soft brush applied to the slot face and deflector blades — the aluminum construction resists rust and does not require special cleaning agents. Monthly wipe-downs are sufficient for standard use; the aluminum alloy will not corrode, so no disassembly is needed for routine maintenance.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eCan I use a single slot linear diffuser on the floor?\u003c\/h3\u003e\n\u003cp\u003eYes — Green Vent single slot linear diffusers are rated for floor placement, making them suitable for under-furniture runs, open floor areas, or perimeter installations where ceiling or wall mounting is not possible. Floor placement is a verified option across both the S-Type and L-Type product lines. High-traffic floor areas, such as hallways and entryways, may benefit from a purpose-built alternative designed specifically for walkable surfaces.\u003c\/p\u003e","products":[{"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"}],"url":"https:\/\/www.greenvent.us\/collections\/single-slot-linear-diffuser.oembed","provider":"Green Vent","version":"1.0","type":"link"}