Ozone Generator Chrome Tower with over 18000 operating hours ELIMINATES: Odor, allergy, airborne microbes, mould and fungus spores, etc. AIR PURIFUER - Purifies the air with ozone. This is NOT an air cleaner where it has filters. NEW FEATURE: Each ion tube lasts up to 9000 hours. Comes with (2) ion tubes and adjustable ion output contrl OZONE OUTPUT: 50mg/h. Please research to see if OZONE is right for you. It has a distinct smell. We advise not to run the ozone for more than 30 minutes. Ideally run it when the room is empty. COVERAGE AREA: Up to 850 square feet