18" X 18" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 20 5/8" X 20 5/8"] Color_Black Its sleek contours bring a Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

Its sleek contours bring a touch of modern sophistication to any room

+ Product Details Size – 24"w X 6"h is the size for the duct opening measurement only

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polished look

+ Product Details Size - 16"w X 18"h is the size for the duct opening measurement only

18" X 18" Steel Return Air Filter Grille for 1" Filter Removable Frame [Outer Dimensions: 20 5 8" X 20 5 8"] Color_Black Its sleek contours bring a Compatible With Duct 7in Applications This sheet metal DDAG A 1212 Its sleek contours bring a touch of modern sophistication to any room + Product Details Size – 24"w X 6"h is the size for the duct opening measurement only