... pipe Installation more simple, more cheaper 30g/h Ozone Generator Kits for Large Water Purifier & Water Treatments Model Number: SOG-QT-30G ... source of 0.2-0.4 m3 / HR) Air source (for - 40 ° c) topless, concentration of 40mg/L amount, 0.4 ... , not ceramic tub The greater the output of ozone tube, for the requirements of precision is higher, but in China, ceramic ...