24" X 34" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 26 5/8" X 36 5/8"] w16h16 line-height: 20px

line-height: 20px

+ Product Details Size – 30"w X 12"h is the size for the duct opening measurement only

+ Product Details Size - 26"w X 16"h is the size for the duct opening measurement only

With a 5" diameter for the duct opening measurement

and waste gases transmission lines

24" X 34" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 26 5/8" X 36 5/8"] w16h16 line-height: 20px+ Product Details Size 24"w X 34"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 24 5 8" width X 14 5 8" height Actual Filter Size 23 3 4"w x 33 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.