Automatic microcomputer controlling, multi-menu operating. Mode display- Power on, program, inlet rinse, producing, full, circle, regular outlet, disinfection, consumables replacing remind. Safety- Low pressure and full water alarm, password, auto-reset, outlet forbidden when alarm or disinfection. System monitor- Monitoring quality of inlet water, RO water and ultrapure water, temperature, used and left time of consumables. Automatically RO membrane flushing function. Large apheliotropic LCD display. Manual & Auto recirculation system in one body-free switch. Sanitized Ultra pure water pipeline. Different water tanks to meet every need/assure ample water-supply. Pipeline with NSF authorization to assure high quality ultrapure water. New easy-inserting adaptor to make convenience of cartridge maintaining/ replacing. Ultra long-life pretreatment-cartridge, 6-8 times of normal active carbon (expect PP filter). UV module: Double wavelength (185nm&254nm) UV lamp, restraining bacteria´s increase, reducing TOC and enhancing the applicability. UF module: effectively eliminating endotoxin, can be used for precise cell cultivating and IVF. Terminal filtration: high-speed and large flux (0.45+0.2) µm polyether alternative compound filter terminal disinfection filter, assuring the quality absolutely axenic. Quality monitor- 3-way on-line sensor: detecting the quality of inlet, RO outlet & ultrapure water respectively. Audio/Visual alarm- Multiple alarm-including inlet water over standard, no water, full water, outlet water over standard, Consumables´ life-span ends, malfunction auto-detect, guaranteeing safety. Password protection. Consumable-replacing reminder.