Ozone units produce a controlled level of ozone for natural elimination of all odors and a fresh, outdoor smell. All QT products incorporate low-maintenance, high-efficiency generator technology to ensure reliable performance with minimal attention and are designed specifically to protect the electrical components from the environment for a longer life expectancy. All cases are aluminum with a light gray powdercoat finish. All have a 5-year parts and labor warranty and a 30-day money-back guarantee. Sporax-treated filters that eliminate a wide range of airborne bacteria. QT Cyclone, the powerhouse of the line, is designed to deal with the worst odor problems, including garbage and sewage odors, fire and flood odors, and urethane and paint odors. Treats areas up to 60,000 cu. ft. Has a high ozone output of 80 -1,200mg/hr.