26" x 24" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 14" Round Duct Pipe Actual Filter Size – 9 Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

Actual Filter Size – 9 3/4"w x 7 3/4" x 1"

+ Product Details Size - 12"w X 12"h X 2"d (for duct opening measurement only)

+ Product Details Size - 4"w X 30"h is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 24" x 8" OR 8" x 24" duct opening (measured at the opening)

+ Product Details Perfect Fit & Easy Sizing - Designed for a 36" x 32" OR 32" x 36" duct opening (measured at the opening)

26" x 24" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 14" Round Duct Pipe Actual Filter Size – 9 Compatible With Duct 7in Applications This sheet metal DDAG A 1212 Actual Filter Size – 9 3 4"w x 7 3 4" x 1" + Product Details Size 12"w X 12"h X 2"d (for duct opening measurement only)