With LCD controlling system, 2-way water quality sensors, timing and quality dispensing, single stage RO system, 1 pump, and built-in 12 litres tank, Eco-S series ultrapure water system is economic choice of ultrapure water for high grade experiments. With tap water inlet, its output ranges from 15 to 30 litres/hour. It can produce single stage RO water and ultrapure water. The single stage RO water’s ion rejection rate is more than 97%, and the ultrapure water’s resistivity absolutely reaches to 18.2MΩ.cm. It completely meets the highest grade I standard of ASTM, CAP, CLSI, EP and USP.