20" X 10" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 22 5/8" X 12 5/8"] Grilles accordion dd { margin: 0 Product Details Size 14 CRG828 7" Round Duct Pipe

accordion dd { margin: 0 0 20px 30px

+ Product Details Perfect Fit & Easy Sizing - Designed for a 14" x 14" duct opening (measured at the opening)

+ Product Details Size – 10"w X 30"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

Crafted from solid stamped steel

20" X 10" Steel Return Air Filter Grille for 1" Filter Removable Frame [Outer Dimensions: 22 5 8" X 12 5 8"] Grilles accordion dd { margin: 0 Product Details Size 14 CRG828 7" Round Duct Pipe accordion dd { margin: 0 0 20px 30px + Product Details Perfect Fit & Easy Sizing Designed for a 14" x 14" duct opening (measured at the opening)