32" x 24" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 14" Round Duct Pipe + Product Details Size - Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size - 16"w X 6"h X 2"d (for duct opening measurement only)

+ Product Details Perfect Fit & Easy Sizing - Designed for a 8" x 12" or 12" x 8" duct opening (measured at the opening)

5" - SEE BELOW IN DESCRIPTION HOW TO MEASURE A GRILLE

+ Product Details Size – 24"w X 14"h is the size for the duct opening measurement only

75" Width X 33

32" x 24" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 14" Round Duct Pipe + Product Details Size Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size 16"w X 6"h X 2"d (for duct opening measurement only) + Product Details Perfect Fit & Easy Sizing Designed for a 8" x 12" or 12" x 8" duct opening (measured at the opening)