16" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Grille + Product Details Perfect Fit Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Perfect Fit & Easy Sizing - Designed for a 24" x 20" OR 20" x 24" duct opening (measured at the opening)

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

Premium Plated Finish and Modern Contempo Design Forming a Luxurious Piece

+ Product Details Size – 6" x 8" or 8" x 6" is the size for the duct opening measurement only

+ Product Details Size - 16"w X 18"h is the size for the duct opening measurement only

16" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Grille + Product Details Perfect Fit Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Perfect Fit & Easy Sizing Designed for a 24" x 20" OR 20" x 24" duct opening (measured at the opening) Actual Filter Size – 11 3 4"w x 11 3 4" x 1"