16" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Grille Premium Plated Finish and Modern Suitable for all AC 8in diameter 12125SDCLNGBX

Premium Plated Finish and Modern Contempo Design Forming a Luxurious Piece

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

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

+ Product Details Size - 34"w X 6"h is the size for the duct opening measurement only

16" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Grille Premium Plated Finish and Modern Suitable for all AC 8in diameter 12125SDCLNGBX Premium Plated Finish and Modern Contempo Design Forming a Luxurious Piece + Product Details Size 16"w X 18"h is the size for the duct opening measurement only