12x6 White Aluminum Modern Air Return Grille with Washable Filter (Duct Opening) ACA What makes the Slim Design

What makes the Slim Design different from a standard 10x6 linear slot diffuser

Designed as a direct replacement for standard 12" × 8" duct openings with no structural modification required

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12x6 White Aluminum Modern Air Return Grille with Washable Filter (Duct Opening) ACA What makes the Slim DesignCHECK SIZE BEFORE PURCHASE: Fits a 12" 6" duct opening (measure the hole, not the old cover). Please check the Sizing Guide below for overall dimensions. Drop in return air replacement for any 12" 6" duct opening no remodeling required. Washable mesh pre filter included helps catch dust, pet hair, and debris before they enter the return duct. Solid alloy aluminum frame rust resistant, dent resistant, and zero plastic parts. Wall and ceiling compatible