16" X 25" Steel Return Air Filter Grille for 1" Filter - Removable Frame - Black - [Outer Dimensions: 18 5/8" X 27 5/8"] Insulated Line Set actual front end outer dimensions

actual front end outer dimensions are approximately 26 5/8" width X 38 5/8" height -

+ Product Details Size – 30"w X 6"h is the size for the duct opening measurement only

Its smooth

+ Product Details Size - 26"w X 6"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 26 5/8" width X 10 5/8" height -

16" X 25" Steel Return Air Filter Grille for 1" Filter - Removable Frame - Black - [Outer Dimensions: 18 5/8" X 27 5/8"] Insulated Line Set actual front end outer dimensions+ Product Details Size 16"w X 25"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 18 5 8" width X 27 5 8" height Actual Filter Size 15 3 4"w x 24 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.