Ozone safely alters the molecular structure of offensive micro-organisms, to eliminate odor. The Uvonair® CD-800 ozone generator will treat all odors being exhausted by an 8 in (20 cm) ventilation system under most circumstances. Intended for rooms up to 20,000 cu.ft. (600 m3). Installs into other size ducts with adapters. Set the Adjust-A-Wingble output by monitoring the exhaustible output by monitoring the exhaust air for odors. Warning: For commercial use only in unoccupied areas.