10" X 28" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 12 5/8" X 30 5/8"] Return + Product Details Size -

+ Product Details Size - 30"w X 34"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 21

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+ Product Details Size – 14"w X 32"h is the size for the duct opening measurement only

+ Product Details Size - 24"w X 2"h is the size for the duct opening measurement only

10" X 28" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 12 5/8" X 30 5/8"] Return + Product Details Size -+ Product Details Size 10"w X 28"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 12 5 8" width X 30 5 8" height Actual Filter Size 9 3 4"w x 27 3 4" x 1" High quality High quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Location ceiling and sidewall Design Removable door face for easy filter change & cleaning uses a 1" thick filter. Our filter