... full and auto start when on water. 3.Steay performance Water treatment machine1.RO reverse osmosis pure water deviceUse:Comestic, pharmacy, chemical industries, food ... , auto backwash RO film, raw water and well water conductivity is displayed on line.Well water conductivity ≤10Reverse osmosis desalination rate ≥99%,system desalination ... -8≤300FRO-224.0653-8≤300FRO-334.0753-8≤300 osmosis water filter