QT Cyclone is the powerhouse of the Queenaire Technology line of products. It offers the same features as QT Tornado and produces up to 1250 mg/hr of ozone to deal with your worst odor problems. This is the ideal tool for garbage areas, sewage odors, fire and flood restoration work, etc... All Queenaire Models Have A 5 Year Warranty, 15-20 Year Life Expectancy.