34" X 28" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 36 5/8" X 30 5/8"] w24h24 listed size +1

listed size +1

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

Its polished pre-finish gloss varnish not only adds to its appeal but also ensures easy installation

+ Product Details Size - 24"w X 20"h is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 24" x 24" duct opening (measured at the opening)

34" X 28" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 36 5/8" X 30 5/8"] w24h24 listed size +1+ Product Details Size 34"w X 28"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 36 5 8" width X 30 5 8" height Actual Filter Size 33 3 4"w x 27 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.