22" X 12" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 24 5/8" X 14 5/8"] Fixed Blades Actual Filter Size – 15

Actual Filter Size – 15 3/4"w x 24 3/4" x 1"

actual front end outer dimensions are approximately 18 5/8" width X 20 5/8" height

Actual Filter Size – 17 3/4"w x 25 3/4" x 1"

actual front end outer dimensions are approximately 31 5/8" width X 24 5/8" height -

22" X 12" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 24 5/8" X 14 5/8"] Fixed Blades Actual Filter Size – 15+ Product Details Size 22"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 24 5 8" width X 14 5 8" height Actual Filter Size 21 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.