36" X 12" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 38 5/8" X 14 5/8"] Supply Grille padding: 20px

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+ Product Details Size - 16"w X 24"h is the size for the duct opening measurement only

Some of the best features aren't readily apparent

actual front end outer dimensions are approximately 27 5/8" width X 34 5/8" height -

+ Product Details Size - 22"w X 22"h is the size for the duct opening measurement only

36" X 12" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 38 5/8" X 14 5/8"] Supply Grille padding: 20px+ Product Details Size 36"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 38 5 8" width X 14 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