Venti Air 24 in. x 24 in. Square Return Air Filter Grille of Steel in White HFG2424 - The Home Depot
25X20 Air Return Filter Grille Bar Face White PSFBGW2520 - Indoor Comfort Supply
43420 - Hart & Cooley 43420 - 20" x 25" (Wall Opening Size) White Sidewall/Ceiling Return Air Filter Grille
22" x 18" Steel Return Air Filter Grill – HVAC Premium
Selkirk Corp. - 170FF 111 18 X 25 Bright White Steel Return Air Filter Grille
Tuscan Steel Designs Bronze Series Air Return Filter Grille
Venti Air 30 in. Wide x 20 in. High (Takes 2 in. Thick Filter) Return Air Filter Grille of Steel in White H2FG3020 - The Home Depot
Everbilt 20 in. x 25 in. Steel Return Air Filter Grille in White E190RF 20X25 - The Home Depot
16" X 36 Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - Ceiling Recommended - HVAC Duct Cover - Flat Stamped Face - White [Outer Dimensions: 18.5 X 37.75] | Pricepulse
20" X 20" Steel Return Air Filter Grille for 1" Filter - Easy Plastic Tabs for Removable Face/Door - HVAC Duct Cover - Flat Stamped Face - White [Outer Dimensions: 21.75 X