30" X 8" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 32 5/8" X 10 5/8"] Adjustable Return R value rating of insulation

R value rating of insulation - R3

creating a quiet and efficient environment

listed size +1

+ Product Details Size - 18"w X 16"h is the size for the duct opening measurement only

+ Product Details Size – 10"w X 10"h is the size for the duct opening measurement only

30" X 8" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 32 5/8" X 10 5/8"] Adjustable Return R value rating of insulation+ Product Details Size 30"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 32 5 8" width X 10 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