12" X 36" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 14 5/8" X 38 5/8"] 8in diameter actual front end outer dimensions

actual front end outer dimensions are approximately 22 5/8" width X 38 5/8" height -

+ Product Details Size – 8" x 16" or 16" x 8" is the size for the duct opening measurement only

the actual front end outer dimensions are 8" in diameter

+ Product Details Size - 8"w X 10"h is the size for the duct opening measurement only

+ Product Details Size - 20"w X 24"h is the size for the duct opening measurement only

12" X 36" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 14 5/8" X 38 5/8"] 8in diameter actual front end outer dimensions+ Product Details Size 12"w X 36"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 14 5 8" width X 38 5 8" height. High Quality high quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Installation Location Ceiling Design Fixed hinged for easy filter change & cleaning uses a 1" thick filter. Our filter grille latch is easy to use on your fingers and