... water1000 uS/cmRO Pure water treatment plant is for producing drinking water, foods factory, beverage factory, fruit&vegetable factory etc. ... hardness of water 4. Micron filter--prevent any deposition of large Particles, most of the bacteria, and viruses into the ... membrane, The accuracy is 5um, for holding back any large particulates such as large iron, dust, suspended matter, impurity. 5. High ...