Turapür Turapur Hydrogen Water Pitcher Filters Maxtra Compatible 3 Filter Value PackMineral Spheres add healthy minerals such as potassium, sodium, and magnesium Ionization Resin Granules Softens the water Magnesium Raises the ph of water and produces molecular hydrogen Oxidation Reduction Potential Spheres Tourmaline spheres reduce oxidation potential of the water Far Infrared Spheres Gives water a smooth silky texture that is east to swallow Granulated Acticated Carbon Improves taste and removes odors