1 Year warranty,Lowest price, Fast shipping!!3G-6G/Hr protable ozonizer for restaurant purifierSpace air purifier, room air sterilize,Ozone water wash platesdamp proofing, anti-mildew and germ-proofingozone Water usage as following: Applications:Air purifier, Ozone purifier, Ozone air sterilizer, Restaurant air sterilizer, Hotel room..