... CE Approved 4, one year warranty 30g quartz tube ozone generator for water treatment SOG-CT-30G 1,Promotion decision Dear friend, ... , The usage of 30g ozone generator Used in Large Water purifier, Water purification factory, Hospital disinfection, Industrial ozone machine, Sewage ... , Drinking water company, Pharmaceutical factory and so on. 3, products list: one piece of 30g quartz ozone tube one piece ...