Kishu Binchotan Japanese Premium Charcoal Refill Water Filter Long From Kii Mountains Japan By Famous Charcoal Maker Yasuki Sakamoto Kishu Binchotan is the highest grade premium, long-lasting charcoal of Kishu region of Japan Binchotan charcoals are known as the best quality charcoal for purifying water and air Made by one of the most famous charcoal maker Yasuki Sakamoto Flavorful,economical and safe culinary use widely known by grandmother in the countryside of japan Material: Natural Japanese oak / Approx Total Weight: 3.5 ounces