10" X 26" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 12 5/8" X 28 5/8"] 8in diameter actual front end outer dimensions

actual front end outer dimensions are approximately 14 5/8" width X 34 5/8" height

actual front end outer dimensions are approximately 18 5/8" width X 28 5/8" height

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+ Product Details Size – 18"w X 8"h is the size for the duct opening measurement only

10" X 26" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 12 5/8" X 28 5/8"] 8in diameter actual front end outer dimensions+ Product Details Size 10"w X 26"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 12 5 8" width X 28 5 8" height Actual Filter Size 9 3 4"w x 25 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