36" X 10" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 38 5/8" X 12 5/8"] cvbnm, Color_White + Product Details Size –

+ Product Details Size – 18"w X 36"h is the size for the duct opening measurement only

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+ Product Details Size – 50"w X 20"h is the size for the duct opening measurement only

+ Product Details Size - 28"w X 10"h is the size for the duct opening measurement only

+ Product Details Size – 12" X 2" is the size for the duct opening (floor/vent hole) measurement only

36" X 10" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 38 5/8" X 12 5/8"] cvbnm, Color_White + Product Details Size –+ Product Details Size 36"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 38 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