14" X 6" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 16 5/8" X 8 5/8"] Color_Red Oak Wood + Product Details Size –

+ Product Details Size – 16"w X 24"h is the size for the duct opening measurement only

+ Product Details Size - The listed 4" diameter refers specifically to the size of the duct opening

+ Product Details Size - 10"w X 12"h is the size for the duct opening measurement only

Actual Filter Size – 24 3/4"w x 25 3/4" x 1"

actual front end outer dimensions are approximately 23

14" X 6" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 16 5/8" X 8 5/8"] Color_Red Oak Wood + Product Details Size –+ Product Details Size 14"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 16 5 8" width X 8 5 8" height Actual Filter Size 13 3 4"w x 5 3 4" x 1" High quality High quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Location Sidewall and ceiling Design Removable door face for easy filter change & cleaning uses a 1" thick filter. Our filter grille