1,20g ozone machine mainly use for hotel, factory,medical industry and so on ... to be used, flexible, and can be sterilized in a variety of target sites and many other advantages of ... and sterilization, long-life design4 air-source and oxygen source one machine, the customer can use on demand Useful: 1, the ... made you the 40g, 50g,100g ozone machine, the machines are customized! Welcome your inquiries!