28" X 10" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 30 5/8" X 12 5/8"] 18" Diameter actual front end outer dimensions

actual front end outer dimensions are approximately 5

actual front end outer dimensions are approximately 3

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+ Product Details Size - 18"w X 24"h is the size for the duct opening measurement only

Quality Packaging – carefully shrink wrapped with cardboard backing to prevent damage in shipment

28" X 10" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 30 5/8" X 12 5/8"] 18" Diameter actual front end outer dimensions+ Product Details Size 28"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 30 5 8" width X 12 5 8" height Actual Filter Size 27 3 4"w x 9 3 4" x 1" High Quality High quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Installation Location Sidewall and ceiling Design Removable door face for easy filter change & cleaning uses a 1" thick filter. Our