20" X 30" Steel Return Air Filter Grille for 1" Filter - Removable Frame - Black - [Outer Dimensions: 22 5/8" X 32 5/8"] steel + Product Description Upgrade your

+ Product Description Upgrade your HVAC system with a high-quality aluminum return grille designed for a clean

Operating temperature from -40°f to +248°f [-40°c to +120°c]

actual front end outer dimensions are approximately 42 5/8" width X 22 5/8" height -

Actual Filter Size – 23 3/4"w x 9 3/4" x 1"

20" X 30" Steel Return Air Filter Grille for 1" Filter - Removable Frame - Black - [Outer Dimensions: 22 5/8" X 32 5/8"] steel + Product Description Upgrade your+ Product Details Size 20"w X 30"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 22 5 8" width X 32 5 8" height Actual Filter Size 19 3 4"w x 29 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.