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 21.75] 20 X 20 White
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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 21.75] 20 X 20 White