30" X 16" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 32 5/8" X 20 5/8"] Color_R-8.0 Pink 75" width X 19

75" width X 19

+ Product Details Size – 4"w X 8"h is the size for the duct opening measurement only

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the gap will expand and retract to meet perfect air supply needed

+ Product Details Size - 18"w X 6"h is the size for the duct opening measurement only

30" X 16" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 32 5/8" X 20 5/8"] Color_R-8.0 Pink 75" width X 19+ Product Details Size 30"w X 16"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 32 5 8" width X 18 5 8" height. Actual Filter Size 29 3 4"w x 15 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.