20"W X 10"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 21.875"W X 11.875"H] Return Grille Filter Grille features a user-friendly 4 X 12 Is CRFG2028 Width_14in
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Description
20"W X 10"H [Duct Opening] ALUMINUM RETURN GRILLE Easy Air Flow Linear Bar Grilles [Outer Dimensions: 21.875"W X 11.875"H] Return Grille Filter Grille features a user friendly 4 X 12 Is CRFG2028 Width_14in Filter Grille features a user friendly plastic latch that requires no screwdriver for opening + Product Details Size 36"w X 24"h is the size for the duct opening measurement only