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24" X 20" Return Air Filter Grille - Filter Included - Easy Plastic Tabs for Removable Face/Door - HVAC Vent Duct Cover - White [Outer Dimensions: 25.75w X 21.75h] - Amazon.com
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Amazon.com: 10" X 8" Steel Return Air Filter Grille for 1" Filter - Easy Plastic Tabs for Removable Face/Door - HVAC DUCT COVER - Flat Stamped Face -White [Outer Dimensions: 11.75w X
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Venti Air 30 in. Wide x 10 in. High Return Air Filter Grille of Steel in White HFG3010 - The Home Depot
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RELIABILT 16-in x 20-in Steel White Sidewall/Ceiling Filter Grille in the Grilles department at Lowes.com
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18" X 25 Steel Return Air Filter Grille for 1" Filter - Removable Face/Door - Flat Stamped Face - White [Outer Dimensions: 20.5 X 26.75 - Amazon.com
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