36" X 10" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 38 5/8" X 12 5/8"] cvbnm, w28h28 3 * insulation density is

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

5/8” - 2579 PSI

actual front end outer dimensions are approximately 21

36" X 10" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 38 5/8" X 12 5/8"] cvbnm, w28h28 3 * insulation density is+ 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