25" X 16" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 27 5/8" X 18 5/8"] Copper Coil + Product Details Size - Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size - 30"w X 24"h is the size for the duct opening measurement only

Actual Filter Size – 19 3/4"w x 21 3/4" x 1"

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

+ Product Details Size - 20"w X 32"h is the size for the duct opening measurement only

it ensures long-lasting durability

25" X 16" Steel Return Air Filter Grille for 1" Filter Removable Frame [Outer Dimensions: 27 5 8" X 18 5 8"] Copper Coil + Product Details Size Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size 30"w X 24"h is the size for the duct opening measurement only Actual Filter Size – 19 3 4"w x 21 3 4" x 1"