30" X 10" Steel Return Air Filter Grille for 1" Filter - Removable Frame - * Filter Included *[Outer Dimensions: 32 5/8" X 12 5/8"] w36h36 Complies with industry standards of

Complies with industry standards of USA: ASTM D-882

+ Product Details Size - 36"w X 22"h is the size for the duct opening measurement only

[Outer Dimensions: 26

Actual Filter Size – 24 3/4"w x 5 3/4" x 1"

Noise free components - No vibrating louvers etc

30" X 10" Steel Return Air Filter Grille for 1" Filter - Removable Frame - * Filter Included *[Outer Dimensions: 32 5/8" X 12 5/8"] w36h36 Complies with industry standards of+ Product Details Size 30"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 32 5 8" width X 12 5 8" height Actual Filter Size 29 3 4"w x 9 3 4" x 1" High Quality High quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Installation Location Sidewall and ceiling Design Removable door face for easy filter change & cleaning uses a 1" thick filter. Our