20" X 20" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 22 5/8" X 22 5/8"] sidewall /* Adding space between bullet

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+ Product Details Size - 30"w X 32"h is the size for the duct opening measurement only

Installation Location – Ceiling

Plain Ends - Gives you the freedom to cut and flare at your own project needs

actual front end outer dimensions are approximately 14 5/8" width X 32 5/8" height

20" X 20" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 22 5/8" X 22 5/8"] sidewall /* Adding space between bullet+ Product Details Size 20"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 22 5 8" width X 22 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