24" X 16" Steel Return Air Filter Grille for 1" Filter - Removable Frame - * Filter Included * [Outer Dimensions: 26 5/8" X 18 5/8"] w32h32 designed for superior airflow control

designed for superior airflow control and noise-free operation

Actual Filter Size – 17 3/4"w x 11 3/4" x 1"

Actual Filter Size – 31 3/4"w x 19 3/4" x 1"

Round-neck-to-square-face construction results in 360 degree air diffusion pattern similar to a full round diffuser

+ Product Details Size – 20"w X 34"h is the size for the duct opening measurement only

24" X 16" Steel Return Air Filter Grille for 1" Filter - Removable Frame - * Filter Included * [Outer Dimensions: 26 5/8" X 18 5/8"] w32h32 designed for superior airflow control+ Product Details Size 24"w X 16"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 26 5 8" width X 18 5 8" height Actual Filter Size 23 3 4"w x 15 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.