36" X 10" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 38 5/8" X 12 5/8"] cvbnm, w28h28 + Product Details Size –

+ Product Details Size – 25"w X 12"h is the size for the duct opening measurement only

3 * insulation density is 30kgs/cbm = 0

+ Product Details Size - 14"w X 28"h is the size for the duct opening measurement only

Its removable face allows hassle-free cleaning

positioning supply and return grills accordingly

36" X 10" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 38 5/8" X 12 5/8"] cvbnm, w28h28 + Product Details Size –+ Product Details Size 36"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 38 5 8" width X 12 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