30" X 10" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 32 5/8" X 12 5/8"] 18" Round Duct Pipe + Product Details Size -

+ Product Details Size - 34"w X 34"h is the size for the duct opening measurement only

+ Product Details Size - 8"w X 20"h is the size for the duct opening measurement only

+ Product Details Size - 30"w X 20"h is the size for the duct opening measurement only

+ Product Details Size - 36"w X 36"h is the size for the duct opening measurement only

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30" X 10" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 32 5/8" X 12 5/8"] 18" Round Duct Pipe + Product Details Size -+ Product Details Size 30"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 32 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