10x4 Black Premium Aluminum Linear Slot Diffuser – Modern Design (Duct Opening) Wall and remodels where a consistent

and remodels where a consistent white register finish matters across several rooms

just a basic metal face

use the 10x6 air return grille with pre-filter instead

If the opening is approximately 8" × 6"

10x4 Black Premium Aluminum Linear Slot Diffuser – Modern Design (Duct Opening) Wall and remodels where a consistentCHECK 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