20" X 40" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 22 5/8" X 42 5/8"] Return + Product Details Size -

+ Product Details Size - 34"w X 14"h is the size for the duct opening measurement only

Actual Filter Size – 7 3/4"w x 11 3/4" x 1"

Pressure rating: 2300 to 6500 psi

actual front end outer dimensions are approximately 14 5/8" width X 8 5/8" height

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20" X 40" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 22 5/8" X 42 5/8"] Return + Product Details Size -+ Product Details Size 20"w X 40"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 22 5 8" width X 42 5 8" height High Quality high quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Installation Location Sidewall & ceiling Design removable frame for easy filter change & cleaning uses a 1" thick filter. Our filter grille latch is easy to use on your