22" X 12" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 24 5/8" X 14 5/8"] Insulated Line The grille features counter-sunk screw

The grille features counter-sunk screw holes that prevent paint from peeling during installation

actual front end outer dimensions are approximately 16 5/8" width X 24 5/8" height

no sharp edges

listed size +2"

22" X 12" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 24 5/8" X 14 5/8"] Insulated Line The grille features counter-sunk screw+ 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.