40" X 10" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 42 5/8" X 12 5/8"] Material_Steel + Product Details Size -

+ Product Details Size - 24"w X 30"h is the size for the duct opening measurement only

1-1/8” - 2334 PSI

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

10"w X 4"h Is The Size For The Duct Opening Measurement Only

+ Product Details Size - 25"w X 6"h is the size for the duct opening measurement only

40" X 10" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 42 5/8" X 12 5/8"] Material_Steel + Product Details Size -+ Product Details Size 40"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 42 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