34" x 34" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Return + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size – 30"w X 6"h is the size for the duct opening measurement only

that will overlap at wall joint

+ Product Details Heavy-Duty Steel Construction - Made from 20-gauge steel for superior durability and reliable performance

+ Product Details Size – 8"w X 26"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 32 5/8" width X 34 5/8" height

34" x 34" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Return + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size – 30"w X 6"h is the size for the duct opening measurement only that will overlap at wall joint