20" X 12" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 22 5/8" X 14 5/8"] 18" Diameter + Product Details Size –

+ Product Details Size – 20"w X 50"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 32 5/8" width X 18 5/8" height

Design – Fixed Hinged for easy filter change & cleaning - uses a 1" thick filter

+ Product Details Size - 30"w X 8"h is the size for the duct opening measurement only

+ How To Measure A Grille Overall Size:

20" X 12" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 22 5/8" X 14 5/8"] 18" Diameter + Product Details Size –+ Product Details Size 20"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 22 5 8" width X 14 5 8" height 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. Our filter grille latch is easy to use on