30" X 14" Steel Return Air Filter Grille for 1" Filter - Removable Frame - * Filter Included * [Outer Dimensions: 32 5/8" X 16 5/8"] Aluminum - Cube Core & EN 13180 standards

& EN 13180 standards

+ Product Details Size - 25"w X 34"h is the size for the duct opening measurement only

Actual Filter Size – 23 3/4"w x 9 3/4" x 1"

actual front end outer dimensions are approximately 28 5/8" width X 8 5/8" height

+ Product Details Size – 16"w X 14"h is the size for the duct opening measurement only

30" X 14" Steel Return Air Filter Grille for 1" Filter - Removable Frame - * Filter Included * [Outer Dimensions: 32 5/8" X 16 5/8"] Aluminum - Cube Core & EN 13180 standards+ Product Details Size 30"w X 14"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 32 5 8" width X 16 5 8" height Actual Filter Size 29 3 4"w x 13 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.