... Then through mineralization treating, living ozone sterilizing, 24hours UV sterilizing. Sand, corrosion, heavy metal, bacteria, residual chlorine and their derivative, all ... filter can effectively absorb 100% residual chlorine, protect RO membranes from harm of residual chlorine, at the same time, remove ... of charging mode, precision can reach 0.01. Water Vending Machine with Water Filtration system