1,20g ozone machine mainly use for hotel, factory,medical industry and ... steel.2 mobile, conveniently to be used, flexible, and can be sterilized in a variety of target sites and ... air-source and oxygen source one machine, the customer can use on demand Useful: 1, the laboratory: materials, ... operating theaters, medical equipment, sterile room Also we can made you the 40g, 50g,100g ozone machine, ...