... 2.250<0.1-1.0<400 1. fully auto system: auto stop when water is full and auto start when ... no water. auto backwash. IC microcomputer control system, auto backwash RO film, raw water and well water conductivity ... . well water conductivity<10us/cm3. reverse osmosis desalination rate>99%, system desalination rate>97%, filtrating rate of organic matter, colloids, bacterial ...