... medium quartz sand filters, main purpose is to remove the water contains sediment, manganese, rust, colloid material, mechanical impurities, ... organic material, adsorption of residual chlorine in the water, using water more than less than or equal to chlorine 0 ... :SS304,SS316Lrelated picture: company profile: SHANGHAI UDI WATER TREATMENT EQUIPMENT Co.,Ltd,which is located in Ting Lin industrial park, ...