12" X 8" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 14 5/8" X 10 5/8"] w12h12 + Product Details Size - Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size - 10"w X 16"h is the size for the duct opening measurement only

padding: 14px 14px 6px 46px

Actual Filter Size – 21 3/4"w x 11 3/4" x 1"

+ Product Details Size - 14"w X 16"h is the size for the duct opening measurement only

+ Product Details Size - 10"w X 10"h is the size for the duct opening measurement only

12" X 8" Steel Return Air Filter Grille for 1" Filter Removable Frame [Outer Dimensions: 14 5 8" X 10 5 8"] w12h12 + Product Details Size Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size 10"w X 16"h is the size for the duct opening measurement only padding: 14px 14px 6px 46px