12" X 32" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 14 5/8" X 34 5/8"] Width_20in + Product Details Size –

+ Product Details Size – 14" x 30" or 30" x 14" is the size for the duct opening measurement only

+ Product Details Size - 24"w X 30"h is the size for the duct opening measurement only

Actual Filter Size – 29 3/4"w x 33 3/4" x 1"

only measure the "hole" in the wall/duct

actual front end outer dimensions are approximately 12 5/8" width X 14 5/8" height

12" X 32" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 14 5/8" X 34 5/8"] Width_20in + Product Details Size –+ Product Details Size 12"w X 32"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 14 5 8" width X 34 5 8" height Actual Filter Size 11 3 4"w x 31 3 4" x 1" High quality High quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Location Sidewall and ceiling Design Removable door face for easy filter change & cleaning uses a 1" thick filter. Our filter