36" X 30" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged- [Outer Dimensions: 38 5/8" X 32 5/8"] return grille + Product Details Size -

+ Product Details Size - 28"w X 8"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

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

actual front end outer dimensions are approximately 31

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36" X 30" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged- [Outer Dimensions: 38 5/8" X 32 5/8"] return grille + Product Details Size -+ Product Details Size 36"w X 30"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 38 5 8" width X 32 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