Of course, it is best to buy it in Guangzhou Huanwei Ozone Disinfector Factory. Quality assurance and favorable price. Guangzhou Huanwei ozone generator is used for disinfection and sterilization of water. Pure oxygen from the oxygen plant is used as the gas source for ozone production. It has high concentration, thorough sterilization, low energy consumption and low sterilization cost. There is no need to add any other raw materials. Whether it is used in air disinfection machine or the ozone generator for water treatment, it will basically not break down after three to five years.