Oz series Feature: Model: OZ-3G, OZ-5G, OZ-7G, OZ-15G 1). Fan cooling, ozone quantity can adjust. 2). Anti-backwater design made the backwater cann\'\'t damage the machine. 3). Stainless steel shell 4). Two use purpose, the original air and the oxygen can selected by your choice. SOZ series features: Model: SOZ-6G, SOZ-10G, SOZ-16G, SOZ-20G, SOZ-25G, SOZ-32G, SOZ-48G, SOZ-60G 1. No ozone Alarm. Never stop the machine automatically, restart normally when getting ozone. The function reflect whether the discharge unit working or not. The following circumstance for no ozone no alarm A. No original gas input. B. Air pipeline jam or air leak out The ozone consistency related to the original air consistency, the Maximum ozone consistency lie on the oxygen input, when input dryness air, the consistency of the ozone less than the former when input the oxygen. 2. Backwater alarm Special backwater protection function made the backwater can\'\'t damage the machine. The machine restarts before blowing the machine drying by using the oxygen or dry air. 3. Over temperature alarm and stop for protection If the temperature of the machine, below 50 centigrade, return to work, automatically, stop alarm. The circumstance of this item is: A. The fan net jam B. The environment temperature high. 4. Circuit hitch alarm