32" x 22" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w16h16 + Product Details Size - Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size - 25"w X 25"h is the size for the duct opening measurement only

75"H – fits a 20" X 20" duct opening

Perfectly suited for both residential and commercial use

+ Product Details Size – 22"w X 29"h is the size for the duct opening measurement only

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

32" x 22" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w16h16 + Product Details Size Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size 25"w X 25"h is the size for the duct opening measurement only 75"H – fits a 20" X 20" duct opening