Sort of Coal - Kishu Binchotan (Pure White Charcoal Made From Hard Japanese Holm Oak) Turn Ordinary Tap Water Into Your Daily Supply Of Filtered, Fresh & Tasty Mineral Water Absorbs Chlorine From Tap Water (by Up To 75%), Softening It & Improving Its Taste, While Also Adding Minerals, Such As Potassium & Magnesium Made With White Charcoal Powder, Which Is The Highest Grade Of Charcoal Available The Binchotan Is Effective For One Month Of Daily Use. After One Month (or When It Develops A Dull, Greyish, Surface), It Is Time To Replace It With A New, Mineral-rich Binchotan Organically Produced & Handmade in Japan, Packaged in Denmark (Length: Approx. 18 cm, Diameter: Approx. 2.5 cm)