12" X 20" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 14 5/8" X 22 5/8"] w25h25 + Product Details Size –

+ Product Details Size – 32"w X 10"h is the size for the duct opening measurement only

Elevate both functionality and aesthetics with the Louver Floor Register

actual front end outer dimensions are approximately 31

And is classified as Class 1 Fire Proof - B1

Do not measure the overall size of the register itself

12" X 20" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 14 5/8" X 22 5/8"] w25h25 + Product Details Size –+ Product Details Size 12"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 14 5 8" width X 22 5 8" height Actual Filter Size 11 3 4"w x 19 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