22" X 29" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 24 5/8" X 31 5/8"] Aluminum Bar R value rating of insulation

R value rating of insulation - r3

+ Product Details Size - 32"w X 4"h is the size for the duct opening measurement only

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The tool-free latch allows hassle-free maintenance

+ Product Details Size - 32"w X 12"h is the size for the duct opening measurement only

22" X 29" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 24 5/8" X 31 5/8"] Aluminum Bar R value rating of insulation+ Product Details Size 22"w X 29"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 24 5 8" width X 31 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