20" X 16" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 22 5/8" X 18 5/8"] w8h8 Designed for both wall and

Designed for both wall and ceiling applications

actual front end outer dimensions are approximately 22 5/8" width X 10 5/8" height

+ Product Details Size – 4"w X 8"h is the size for the duct opening measurement only

Every grille has a front end frame that will overlap at the wall joint

+ Product Details Size – 20"w X 30"h is the size for the duct opening measurement only

20" X 16" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 22 5/8" X 18 5/8"] w8h8 Designed for both wall and+ Product Details Size 20"w X 16"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 22 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