... negative ions which were considered as the "longevity element", after being inhaled by the body, it ... negative ions which was considered as the "longevity element", after being inhaled by the body, it ... harmful residual CL and organic compound including CL element,inorganic compound such as Nitrate and so on ... Fe, Ca, Mg, Zn and so on trace element. 5)Magnetize Function, Water is magnetized to improve ...