4x8 White Premium Aluminum Linear Slot Diffuser – Modern Design (Duct Opening)
4x8 White Premium Aluminum Linear Slot Diffuser – Modern Design (Duct Opening)
Regular price
$27.83
Regular price
$34.79
Sale price
$27.83
Unit price
per
Size Name:
8x4
Color:
white
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Will a 4x8 Fit Your Space?
| Feature | Specification |
|---|---|
| Duct Opening Size | 4" × 8" |
| Neck Size | 3-3/4" × 7-3/4" |
| Overall Face Size | 5-3/4" × 9-3/4" |
| Weight | 1.1 lb |
| Material / Finish | Alloy aluminum, white powder-coated (paintable) |
| Compatibility | Supply air, wall/ceiling/floor |
| Included | Diffuser, Deflector Bar, screws, manual guide card |
Installation
- Remove your old cover and confirm the duct opening measures 4" × 8".
- Mount with the included screws through the hidden side holes.
- Use the Deflector Bar to set airflow direction.
Frequently Asked Questions
What size do I order — 4x8 or face size?
Order by duct opening size (4" × 8"). The face size (5-3/4" × 9-3/4") overlaps the opening.
Is this for supply air or return air?
Supply air, with adjustable airflow. For return air in this size, see the Return Air Vents collection.
Does it come with an airflow control?
Yes — the Deflector Bar lets you direct air left, right, both ways, or fully closed.
Can I install this on a ceiling?
Yes — the same diffuser mounts on walls, ceilings, or low-traffic floors.
Is a black finish available?
Yes — see the 4x8 Black Linear Slot Diffuser.
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