22" X 36" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 24 5/8" X 38 5/8"] flat stamped steel Efficient Airflow Design: The slots

Efficient Airflow Design: The slots are meticulously angled to diversify airflow in two directions

Works for all Air Conditioning applications including Ductless Mini-Split

actual front end outer dimensions are approximately 26

providing superior air distribution throughout your space

22" X 36" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 24 5/8" X 38 5/8"] flat stamped steel Efficient Airflow Design: The slots+ Product Details Size 22"w X 36"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 24 5 8" width X 38 5 8" height Actual Filter Size 21 3 4"w x 35 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.