... -6 ozone machine takes air as gas source; with oxygen generator and compressor inside (dispense with oxygen bottle & air handling ... condition: air temperature ≤25 relative humidity ≤70.4,Ozone generator main application field:1. Disinfect and sterilize purified water, mineral ... 1,2,3,4,5....20...If you have other requirements, we also can costomize for you. 6,CE certification Ozone generator