36" X 22" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 38 5/8" X 24 5/8"] 18" Diameter Pressure rating: 2300 to 6500

Pressure rating: 2300 to 6500 psi

actual front end outer dimensions are approximately 12 5/8" width X 30 5/8" height

With a 5" diameter for the duct opening measurement

Actual Filter Size – 35 3/4"w x 33 3/4" x 1"

36" X 22" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 38 5/8" X 24 5/8"] 18" Diameter Pressure rating: 2300 to 6500+ Product Details Size 36"w X 22"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 36 5 8" width X 24 5 8" height Actual Filter Size 35 3 4"w x 21 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.