36" X 16" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 38 5/8" X 18 5/8"] Copper Coil + Product Details Size –

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

Actual Filter Size – 23 3/4"w x 17 3/4" x 1"

+ Product Details Perfect Fit & Easy Sizing - Designed for a 10" x 10" duct opening (measured at the opening)

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+ Product Details Size - 34"w X 16"h is the size for the duct opening measurement only

36" X 16" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 38 5/8" X 18 5/8"] Copper Coil + Product Details Size –+ Product Details Size 36"w X 16"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 38 5 8" width X 18 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