... Yishai devices can remove odor, Mercury, lead, zinc, iron, manganese, chromium and other metal materials, in addition To hydride, sulphide, chlorine ... you. 1) Adopts RO membrane from VONTRON, which can remove 99.7% inorganic salt, heavy metal ion and completely get rid of ... is by chemical solution (citric acid or sodium hydroxide optional) 7) The lifespan of the whole system is long, operation simple ...