Arirangion Multi-Ionizer SH Shower Head - Hand Held High Pressure Anion Transforms tap water into energized & ionized water. Get unlimited ionized water from faucets . Sanitizing ability to help remove and separate harmful materials 3rd Prize in 2010 Korean Invention Patent Conference with Korea & World Patent Easy to install on all faucets, No Maintenance Costs, Semi-permanent use Helps remove free radicals, rancid smell, dirt, pollutants, skin problems