28" X 8" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 30 5/8" X 10 5/8"] Material_Steel actual front end outer dimensions

actual front end outer dimensions are approximately 12 5/8" width X 10 5/8" height

making it a reliable choice for improving indoor air quality

+ Product Details Perfect Fit & Easy Sizing - Designed for a 20" x 30" OR 30" x 20" duct opening (measured at the opening)

With plain ends

Actual Filter Size – 31 3/4"w x 35 3/4" x 1"

28" X 8" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 30 5/8" X 10 5/8"] Material_Steel actual front end outer dimensions+ Product Details Size 28"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 30 5 8" width X 10 5 8" height Actual Filter Size 27 3 4"w x 7 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 & ceiling Design Removable frame for easy filter change & cleaning uses a 1" thick filter. Our filter