40" X 20 Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - Ceiling Recommended - HVAC Duct Cover - Flat Stamped Face - White [Outer Dimensions: 42.5 X 21.75] 40 X 20
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40" X 20 Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - Ceiling Recommended - HVAC Duct Cover - Flat Stamped Face - White [Outer Dimensions: 42.5 X 21.75] 40 X 20