24" X 12" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 26 5/8" X 14 5/8"] Powder-Coated With a 5" diameter for

With a 5" diameter for the duct opening measurement

this grille offers durability and resistance to rust and corrosion

+ Product Details Size - 20"w X 12"h is the size for the duct opening measurement only

+ Product Description This aluminum flex duct is intended to be used in heating

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24" X 12" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 26 5/8" X 14 5/8"] Powder-Coated With a 5" diameter for+ Product Details Size 24"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 26 5 8" width X 14 5 8" height Actual Filter Size 23 3 4"w x 11 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.