This basic series is ideal for wide range of applications. It produces RO, Deionized water and Ultrapure water. The organic rejection rate is greater than 99% using reverse osmosis. The resistivity reaches up to 18.2M?.cm which completely meets the highest grade I standard. - Automatic microcomputer controlling system, LED real-time animation mode display. - Running status is showed in the LED, such as flushing, producing water, full tank, water shortage, leakage and service. - Power on self test, power reset, alarm when work more than 6 hours continuously, water shortage, leakage, low pressure - and high pressure.