Active Charcoal Water Filter
Your charcoal is ready to use. Simply fill your bottle with drinking tap water and wait for the charcoal to filter impurities from the water. Filters in 1-8 hours.
Boil after 3 months. Lasts 6 months.
These filters are made from Binchotan charcoal - an active carbon made from tree branches and is renowned for its ability to soften water, add good minerals and absorb unwanted tastes and odours, such as chlorine.