... stainless steel RO deionized water equipment with atuo control system stainless steel RO membrane housing+pre-treatment ... vesselsoutput pure water for industrial useIndependent electricity cabinet control systemcompact design,nice outlook,stainless steel materialProgrammable PLC ... colloid ,ect.3. Active Carbon filter--Remove the color, free chloride, organic matter, harmful matter ,ect.4, Softener ...