22" X 20" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 24 5/8" X 22 5/8"] w30h30 these grilles ensure easy

these grilles ensure easy

Actual Filter Size – 17 3/4"w x 31 3/4" x 1"

ensuring optimal circulation throughout your space

+ Product Details Size – 25"w X 25"h is the size for the duct opening measurement only

Pressure Rating: 2100 to 7000 PSI

22" X 20" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 24 5/8" X 22 5/8"] w30h30 these grilles ensure easy+ Product Details Size 22"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 24 5 8" width X 22 5 8" height Actual Filter Size 21 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 Installation Location Sidewall and ceiling Design Removable door face for easy filter change & cleaning uses a 1" thick filter.