12" X 36" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 14 5/8" X 38 5/8"] ceiling offering a smooth

offering a smooth

+ Product Details Size – 14"w X 30"h is the size for the duct opening measurement only

+ Product Details Size - 20"w X 24"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 27 5/8" width X 34 5/8" height

+ Product Details Size – 6" x 12" or 12" x 6" is the size for the duct opening measurement only

12" X 36" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 14 5/8" X 38 5/8"] ceiling offering a smooth+ Product Details Size 12"w X 36"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 14 5 8" width X 38 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