30" X 28" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 32 5/8" X 30 5/8"] w34h34 + Product Details Operating Temperature

+ Product Details Operating Temperature From -40°F To +248°F [-40°C To +120°C]

+ Product Details Size - 14"w X 6"h is the size for the duct opening measurement only

The powder-coated finish ensures a sleek look while protecting the grille from wear and tear

Actual Filter Size – 19 3/4"w x 9 3/4" x 1"

improves airflow

30" X 28" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 32 5/8" X 30 5/8"] w34h34 + Product Details Operating Temperature+ Product Details Size 30"w X 28"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 32 5 8" width X 30 5 8" height Actual Filter Size 29 3 4"w x 27 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.