... wipe off the Hg, plumbum, zinc, iron, etc. metal.Water treatment machineSS304,380V50HZ Conductivity<10us,Desalt>98% Auto PLC control,low ... pressure protection 2 level water pump1000L/H 2 stage waste water treatment machineReverse osmosis system/water system/water equipment/water device/water machine/pure water/waste water/water filter1>Model No ...