16" X 22" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 18 5/8" X 24 5/8"] flat stamped steel expanding or retracting the gap

expanding or retracting the gap to meet your precise needs

+ Product Details Size - 20"w X 30"h is the size for the duct opening measurement only

Each grille is securely shrink-wrapped with a cardboard backing to prevent damage during shipment

How To Measure A Grille

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

16" X 22" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 18 5/8" X 24 5/8"] flat stamped steel expanding or retracting the gap+ Product Details Size 16"w X 22"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 18 5 8" width X 24 5 8" height Actual Filter Size 15 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.