Black and Blum - Water Bottle with x1 Binchotan charcoalA filter water bottle that uses a traditional Japanese binchotan charcoal to make your tap water taste great. It makes tap water taste great! BPA free tritan, cork, stainless steel, silicon Includes x1 binchotan active charcoal filter (6 months life) Automatic email updates for when to boil and replace charcoal W 8. 5cm H 24cm W 3. 3" H 9. 4" 800 ml 27 floz