36" X 16" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 38 5/8" X 18 5/8"] 18" Round Duct Pipe + Product Details Size -

+ Product Details Size - 36"w X 14"h is the size for the duct opening measurement only

The total outer size of this grille is the listed size plus 2 and 5/8"

+ Product Details Size - 22"w X 14"h is the size for the duct opening measurement only

+ Product Details Size - 26"w X 24"h is the size for the duct opening measurement only

Customize effortlessly with a removable face/door

36" X 16" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 38 5/8" X 18 5/8"] 18" Round Duct Pipe + Product Details Size -+ Product Details Size 36"w X 16"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 38 5 8" width X 18 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