30" X 12" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 32 5/8" X 14 5/8"] Color_White + Product Details Size -

+ Product Details Size - 36"w X 34"h is the size for the duct opening measurement only

1/4” - 6518 PSI

+ Product Details Size - 18"w X 32"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 18 5/8" width X 12 5/8" height

And is classified as Class 1 Fire Proof - B1

30" X 12" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 32 5/8" X 14 5/8"] Color_White + Product Details Size -+ Product Details Size 30"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 32 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