12x6 White Aluminum Modern Air Return Grille with Washable Filter (Duct Opening) ACA Wall & Ceiling Supply Register:

Wall & Ceiling Supply Register: Designed for sidewall and ceiling supply air use only

and lighter engineered hardwoods

If it is approximately 12" × 6"

Feature Specification Manufacturer Green Vent Product Type Aluminum Linear Slot Diffuser Duct Opening Size 12" × 6" Neck Size 11-3/4" × 5-3/4" Overall Face Size 13-3/4" × 7-3/4" Color / Finish Black / Powder-coated Material Alloy Aluminum Shape Rectangular Installation / Mounting Type Screw-In for wall/ceiling

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

12x6 White Aluminum Modern Air Return Grille with Washable Filter (Duct Opening) ACA Wall & Ceiling Supply Register:CHECK 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