water treatment, process raw water into pure water. maked by sus304 material. automatic control. Usually, this system contains: sand filter, active carbon filter, micro filter, RO system, UV ... the germ in the water. 1raw water tankV=3m3, sus3042sand filterφ500mm×H2400mm×δ3mm3active carbon filterφ500mm×H2400mm×δ3mm4micro filter(precision filter)φ300mm×H1400mm×δ3mm5RO-33 ...