8" X 34" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 10 5/8" X 36 5/8"] ceiling + Product Details Size - Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

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

+ Product Details Size - 22"w X 14"h is the size for the duct opening measurement only

+ Product Details Size – 12"w X 34"h is the size for the duct opening measurement only

this filter grille never rusts and withstands long-term use in any environment

+ Product Details Size - 8"w X 32"h is the size for the duct opening measurement only

8" X 34" Steel Return Air Filter Grille for 1" Filter Removable Frame [Outer Dimensions: 10 5 8" X 36 5 8"] ceiling + Product Details Size Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size 24"w X 20"h is the size for the duct opening measurement only + Product Details Size 22"w X 14"h is the size for the duct opening measurement only