* Compared with the KDF copper zinc alloy, lower production cost, remove chlorine more effective.The product is pure natural, pollution-free, antibacterial, antifungal, no static. Compared with the conventional activated carbon addition to residual chlorine, calcium sulfite addition to residual chlorine are efficient, safe, heat-resistant, bacteria and other advantages, in addition to more effective chloride. Purified, mineralized water, adjust the PH value of water .