30" X 24" Steel Return Air Filter Grille for 1" Filter - Removable Frame - Black - [Outer Dimensions: 32 5/8" X 26 5/8"] fixed bar Efficient Airflow Design: The slots

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

+ Product Details Size – 20"w X 16"h is the size for the duct opening measurement only

+ Product Description Upgrade your HVAC system with our 8" Round Air Vent Supply Grille

making maintenance quick and hassle-free

30" X 24" Steel Return Air Filter Grille for 1" Filter - Removable Frame - Black - [Outer Dimensions: 32 5/8" X 26 5/8"] fixed bar Efficient Airflow Design: The slots+ Product Details Size 30"w X 24"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 32 5 8" width X 26 5 8" height Actual Filter Size 29 3 4"w x 23 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.