... tubeone piece of 800W power 2.Usage: Used in Large Water purifier, Water purification factory, Hospital disinfection, Industrial ozone machine, Sewage disposal ... 5cm O3 output: 30g/hour (under Oxygen circumstance) Ozone concentration: 100 ~ 120mg/L (oxygen amount, the source of 0.2-0 ... friends,you could made the payment by PayPal ,Western Union ,T/T and so on .When we received you payment ,we will ...