Black + Blum Active Charcoal Water Filter and Locking Coil

A natural charcoal filter and locking coil that upgrades any standard bottle into a ‘filter bottle’ using a traditional Japanese Binchotan charcoal method for cleaner tasting water.

• Removes Chlorine
• Adds Minerals
• Natural Water Filter lasts for 6 months
• High quality stainless steel

Directions for use: Fill any water bottle with safe drinking water and add the charcoal in the coil. Lasts for up to six months. Boil after three months to reactivate.