24" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 12in diameter actual front end outer dimensions Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

actual front end outer dimensions are 17" Width X 17" Height

+ Product Details Size – 25"w X 26"h is the size for the duct opening measurement only

Some of the best features aren't readily apparent

+ Product Details Size – 14"w X 4"h is the size for the duct opening measurement only

+ Product Details Size – 26"w X 6"h is the size for the duct opening measurement only

24" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 12in diameter actual front end outer dimensions Compatible With Duct 7in Applications This sheet metal DDAG A 1212 actual front end outer dimensions are 17" Width X 17" Height + Product Details Size – 25"w X 26"h is the size for the duct opening measurement only