14" X 30" Steel Return Air Filter Grille for 1" Filter - Removable Frame - * Filter Included * [Outer Dimensions: 16 5/8" X 32 5/8"] Material_Aluminum If your duct opening is

If your duct opening is 14 inches in diameter

+ Product Details Size – 30"w X 26"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 34 5/8" width X 20 5/8" height

+ Product Details Size – 14"w X 20"h is the size for the duct opening measurement only

polished look

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