Aluminum Cube Core Return Air Filter Grille with Plenum Box - 24" x 24" T-Bar Lay-in Drop Ceiling sidewall durable white powder coat finish 4 X 12 Is CRFG2028 Width_14in

durable white powder coat finish for an attractive look and high durability corrosion protection

Ideal for Walls & Ceilings: Designed for seamless installation in standard 20" X 8" duct openings

+ Product Details Size – 16"w X 20"h is the size for the duct opening measurement only

Made of high quality aluminum that will never rust

+ Product Details Size - 16"w X 20"h is the size for the duct opening measurement only

Aluminum Cube Core Return Air Filter Grille with Plenum Box 24" x 24" T Bar Lay in Drop Ceiling sidewall durable white powder coat finish 4 X 12 Is CRFG2028 Width_14in durable white powder coat finish for an attractive look and high durability corrosion protection Ideal for Walls & Ceilings: Designed for seamless installation in standard 20" X 8" duct openings