10x4 White Premium Aluminum Linear Slot Diffuser – Modern Design (Duct Opening) 10x6 As it collects dust

As it collects dust

no-modification replacement for standard 12" × 6" supply duct openings in larger bedrooms

Alloy aluminum construction does not rust or warp over time the way steel grilles do

Solid steel construction — won't crack

This 8x8 air return grille surface-mounts on walls and ceilings — no drywall work

10x4 White Premium Aluminum Linear Slot Diffuser – Modern Design (Duct Opening) 10x6 As it collects dustCHECK SIZE BEFORE PURCHASE: This 10x4 linear slot diffuser fits a 10" 4" duct opening (the hole in your wall, ceiling, or floor not your old cover face). See the full 10x4 sizing guide Fits a 10" 4" duct opening measure the hole, not your old cover face. Drop in surface mount replacement no drywall, flooring, or duct modification required. Modern minimalist slot design for contemporary interiors and cleaner visual lines. Solid alloy aluminum rust