ELIMINATE ALL ODORS: 5000mg/h ozone output is powerful to deodorize and sterilize your space from any odors, mold, bacteria, viruses and VOCs. Perfect for basements, cars, garages, kitchens, restaurants and hotels. 120MIN TIMER FOR SAFETY CONCERNS: All ozone machines are for UNOCCUPIED space only. Set a timer before you leave the room. Ensure that no people (and also pets) in the room when it’s working. Return to the room when all residual ozone reverts back to oxygen, which costs normally 30 minutes. MULTIPLE USE: One ozone generator that can be an air purifier & sanitizer, odor remover, mold and mildew preventer, virus, bacteria and bugs killer, etc.