GREEN VENT white aluminum 4x6 linear slot diffuser modern air vent cover with duct opening
GREEN VENT 4x6 white premium aluminum linear slot diffuser, modern air vent cover for duct opening
GREEN VENT 4x6 white premium aluminum linear slot diffuser for modern ceiling duct openings
GREEN VENT white premium aluminum 4x6 linear slot diffuser with adjustable air vent cover for duct opening
4x6 white premium aluminum linear slot diffuser by GREEN VENT, compared with steel air vent covers
GREEN VENT white premium aluminum linear slot diffuser, 4x6 duct opening installation guide image
GREEN VENT 4x6 white premium aluminum linear slot diffuser for ceiling, floor, or wall duct opening

4x6 White Premium Aluminum Linear Slot Diffuser – Modern Design (Duct Opening)

Regular price $31.79
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Shipping calculated at checkout.

  • 2-slot design — the smallest size in the line, sized for closets and small rooms
  • Adjustable Deflector Bar — direct airflow left, right, both sides, or fully closed
  • Solid alloy aluminum — rust-resistant, zero plastic parts
  • Wall or ceiling compatible
  • 5-minute drop-in install — no drywall or duct modification

A 4x6 linear slot diffuser for supply air — Green Vent's smallest size, built for closets, bathrooms, and other small rooms.

Will a 4x6 Fit Your Space?

Feature Specification
Duct Opening Size 4" × 6"
Neck Size 3-3/4" × 5-3/4"
Overall Face Size 5-3/4" × 7-3/4"
Weight 1.04 lb
Material / Finish Alloy aluminum, white powder-coated (paintable)
Compatibility Supply air, wall/ceiling
Included Diffuser, Deflector Bar, screws, manual guide card

Installation

  • Remove your old cover and confirm the duct opening measures 4" × 6".
  • 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 — 4x6 or face size?
Order by duct opening size (4" × 6"). The face size (5-3/4" × 7-3/4") overlaps the opening.

Is this for supply air or return air?
Supply air, with adjustable airflow. For return air, see the Return Air Vents collection.

Is this the smallest size available?
Yes — 4x6 is the smallest size in the linear slot diffuser line.

Can I install this on a ceiling?
Yes — mounts on walls or ceilings.

Is a black finish available?
This size is currently White only. See the full linear slot diffuser collection for Black options in other sizes.

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