The Uvonair® CD-800 In-Duct Ozone Model is a high output Corona Discharge generator. It is adjustable to match the ozone demand load for odor control as well as provide energy conservation in low demand periods. The CD generator does not require servicing. Ideal for rooms from 10,000 cu.ft (300 m3) up to 20,000 cu.ft. (600 m3)Installs into 8 inch (20 cm) ducts to treat the air as it is being exhausted