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Silver carbon is a kind of new technology water purification product which can exchange silver ions into the hole of activated carbon. It USES strong van der Waals' forces, activated carbon adsorption in the activated carbon filter large amounts of organic matter and kill bacteria, and reduce the bacteria in the activated carbon, reduce the activated carbon filter water nitrite content is higher, silver process does not add any acid, alkali, activated carbon and activated carbon after silver only silver ions, rather than the silver oxide, really help purify the effect.