12" X 18" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 14 5/8" X 20 5/8"] Grille closest('dt')

closest('dt')

+ Product Details Size - 28"w X 30"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 11

+ Product Details Size – 18"w X 8"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 8

12" X 18" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 14 5/8" X 20 5/8"] Grille closest('dt')+ Product Details Size 12"w X 18"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 14 5 8" width X 20 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