OdorStop Professional Grade Ozone Generator with UV (OS2500UV) Treats up to 2,500 sq feet, aluminum body, 2 plates and UV 12-hour timer with constant on (hold) option Variable ozone output from 100 to 1080mg/h 30 day money back guarantee, 5 year warranty, patent pending Demonstration video at: https://www.youtube.com/watch?v=HKLr41waPwI