The Components Function: NO. Items Information 1.Pre-treatment Section 1.1 Sand Filter Remove turbidity,SS matter,organic matter,colloid ,etc. 1.2 Active carbon filter Remove color ,free chloride,organic matter,harmful matter,etc. 1.3 Water softener Soft water and reduce its hardness. 2.RO Part 2.1 High pressure pump Provide power for RO. 2.2 PP filter Prevent large particles ,iron ,dust,SS Matter,impurity into RO Membrane. 2.3 RO Membrane Removes :lead ,cooper,barium,chromium,mercury,sodium,fluoride,nitrite,nitrate,and selenium. 3.Electricity control System 3.1 PLC+Touch screen control system Improved from SIEMENS ,CMS 3.2 Electrivity components Schneider,Chint 3.3 Pipe and fitting Adopt domestic famous brands ,UPVC/Stainless Steel Material