Binchotan Activated Carbon Refill + Universal Spiral x 1 (Active Charcoal Water Filter with Locking Coil)

The charcoal filtering tap water that you know and love has been improved! This universal spiral holds the charcoal in place and gives you the opportunity to filter the water in any bottle without clicking, no scratches! This spiral is neutral to the taste and easy to use. Counter display available. If you use your Binchotan directly after opening the case for 3 months. You can then recharge it by boiling it for 10 minutes and then let it dry in the sun. You can then reuse it for up to 3 more months.