12x12 White Aluminum Modern Air Return Grille with Washable Filter (Duct Opening) ALSD The 8x6 size fits smaller

The 8x6 size fits smaller bedrooms

Matte black is the natural choice for dark-stained hardwood

As long as your duct opening is approximately 14" × 6" and you have at least 1-1/4" of clearance behind the surface

Can I install this 6x4 vent cover on a ceiling

this is the right grille

12x12 White Aluminum Modern Air Return Grille with Washable Filter (Duct Opening) ALSD The 8x6 size fits smallerCHECK SIZE BEFORE PURCHASE: Fits a 12" 12" 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" 12" 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