... Water treatment Purifier RO System Ro-500L Water treatment Purifier RO System Details Capacity(T/H)power(kw)recovery (%)well water ... auto start when no water. auto backwash. IC microcomputer control system, auto backwash RO film, raw water and well water ... well water conductivity<10us/cm3. reverse osmosis desalination rate>99%, system desalination rate>97%, filtrating rate of organic matter, colloids, ...