(KH-AWO20) 20g tap water ozone generator 304 Stainless stell case Manual or Automatic control Using ceramic tube ozone generator units Build in oxygen concentrator Simple operation, low maintenance Low power consumption Long working life One year warranty Basement Garage Storage room, storehouse Restaurant Kitchen Hospital Public washroom Commercial freezing Aguariums Aquaculture Laundry Pharmaceutical and food purification plant Water production line Secondary water supply Sewage treatment DGOzone Ltd. and DHL have a direct and strategic cooperation. 60% OFF via DHL Express Shipping. This will make all buyers benefit from low shipping cost. Meanwhile, other shipping ways are available such as FedEx, UPS, TNT, EMS, China Post or Sea. Just let us know which one is best for you, we do all the left work. If you have any question or concerns about our products, please feel free to contact: Helen Liu Tel: 0086-21-54730186 Mobile: 0086-15221185734 Skype: hihappyhelen