22" x 30" or 30" x 22" Cube Core Eggcrate Return Air Grille Material_Steel Ideal for Walls & Ceilings: 4 X 12 Is CRFG2028 Width_14in

Ideal for Walls & Ceilings: Designed for seamless installation in standard 14" X 12" duct openings

+ Product Details Perfect Fit & Easy Sizing - Designed for a 24" x 30" OR 30" x 24" duct opening (measured at the opening)

+ Product Details Size - 26"w X 14"h is the size for the duct opening measurement only

Constructed from high-impact

+ Product Details Size – 36"w X 14"h is the size for the duct opening measurement only

22" x 30" or 30" x 22" Cube Core Eggcrate Return Air Grille Material_Steel Ideal for Walls & Ceilings: 4 X 12 Is CRFG2028 Width_14in Ideal for Walls & Ceilings: Designed for seamless installation in standard 14" X 12" duct openings + Product Details Perfect Fit & Easy Sizing Designed for a 24" x 30" OR 30" x 24" duct opening (measured at the opening)