10x4 Black Premium Aluminum Linear Slot Diffuser – Modern Design (Duct Opening) Wall and design-focused spaces

and design-focused spaces

This 12x12 air return grille is designed for a standard 12" × 12" duct opening

the Slim Series is built for that situation

The white powder-coated finish stays clean under daily HVAC airflow and temperature changes

Paintable surface for custom color matching

10x4 Black Premium Aluminum Linear Slot Diffuser – Modern Design (Duct Opening) Wall and design-focused spacesCHECK 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