Replacement Shower Head Fliter Anion Ball Waterpipe Activated Mineral Ball The fliter anion balls can effectively improve water quality When tthe balls contact with water they will produce two negative ions hydroxidion and oxonium ion that can change the rusty of the waterpipe from red to back and will not rust again 300g anion balls can filter one ton water and reduce impurity from the waterpipe Specification Material tourmaline powder mineral binder Diameter 10mm 0 39inchesWeight approx 100g 0 22lbsType anion ball tourmalin ceramic ball medical stone ballFunction Remove the off odor of water and chlorin Water tend to alkalescence maintains the acid base balance of human body Contains calcium magnesium sodium and potassium or etc High conductivity low redox potential improve digestion fight against ageing For drinking water bath water watering or etc Package Contents 1 x Pack of Filter Balls 100g Warm Note Washing the balls with clean water befor use The balls can be repeatedly used To keep the balls clean please place them in dry place or dry in the sun