20" X 30" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 22 5/8" X 32 5/8"] Return Rust-Free Aluminum - Made from

Rust-Free Aluminum - Made from strong

+ Product Details Size - 10"w X 6"h is the size for the duct opening measurement only

Noise free components - no vibrating louvers etc

this grille is a testament to high standard craftsmanship

designed for both sidewall and ceiling installations

20" X 30" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 22 5/8" X 32 5/8"] Return Rust-Free Aluminum - Made from+ Product Details Size 20"w X 30"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 22 5 8" width X 32 5 8" height Actual Filter Size 19 3 4"w x 29 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.