36" X 22" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 38 5/8" X 24 5/8"] white Quality Packaging - Carefully Shrink

Quality Packaging - Carefully Shrink Wrapped With Cardboard Backing To Prevent Damage In Shipment

+ Product Details Size - 22"w X 16"h is the size for the duct opening measurement only

See our separate listing for Butterfly Dmaper to Control Airflow

+ Product Details Size - 30"w X 25"h is the size for the duct opening measurement only

Actual Filter Size – 35 3/4"w x 31 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"] white Quality Packaging - Carefully Shrink+ 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.