4x10 White Premium Aluminum Linear Slot Diffuser – Modern Design (Duct Opening)
Regular price $36.79
Shipping calculated at checkout.
- 2-slot design — clean architectural look
- Adjustable Deflector Bar — direct airflow left, right, both sides, or fully closed
- Solid alloy aluminum — rust-resistant, zero plastic parts
- Wall, ceiling, or low-traffic floor compatible
- 5-minute drop-in install — no drywall or duct modification
A 4x10 linear slot diffuser for supply air — the modern alternative to a bulky louvered register. Also available as a 2-pack for multi-room orders.
Will a 4x10 Fit Your Space?
| Feature | Specification |
|---|---|
| Duct Opening Size | 4" × 10" |
| Neck Size | 3-3/4" × 9-3/4" |
| Overall Face Size | 5-3/4" × 11-3/4" |
| Weight | 1.26 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" × 10".
- 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 — 4x10 or face size?
Order by duct opening size (4" × 10"). The face size (5-3/4" × 11-3/4") overlaps the opening.
Is this for supply air or return air?
Supply air, with adjustable airflow. For return air in this size, see our 4x10 return air grille.
Is this available in a 2-pack?
Yes — see the 2-pack listing for multi-room orders.
Can I install this on a ceiling?
Yes — mounts on walls, ceilings, or low-traffic floors.
Is a black finish available?
Yes — see the 4x10 Black Linear Slot Diffuser.
Explore Related Products
- 2-pack: 4x10 Diffuser (Pack of 2)
- Black finish: 4x10 Black Linear Slot Diffuser
- All sizes: Linear Slot Diffuser collection
