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 Height_16in RG1612AL Product Details Size 14

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

+ Product Details Size - 26"w X 8"h is the size for the duct opening measurement only

+ Product Details Size - 4"w X 20"h is the size for the duct opening measurement only

+ Product Details Size - 32"w X 4"h is the size for the duct opening measurement only

as well as in return air situations

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 Height_16in RG1612AL Product Details Size 14 durable white powder coat finish for an attractive look and high durability corrosion protection + Product Details Size 26"w X 8"h is the size for the duct opening measurement only