Natural Water Filter For Great Tasting Water From Any Tap Our 4 pack water filters will give you 2 years of filtered, great-tasting water Binchotan Charcoal: The Japanese have been doing it for centuries - using a stick of charcoal to purify drinking water Simple to use: the charcoal stick water filter comes ultra-sonic cleaned and ready to use, all you need to do is fill your bottle with drinking tap water and enjoy great tasting water Long-lasting: The sticks have a total lifespan of 6 months each, as its effectiveness decreases all you must do is boil it for 10 minutes to rejuvenate Use in any bottle: The charcoal water filter sticks are suitable for a bottle, carafe or jug Healthy hydration: The activated charcoal water filter attracts the ions of contaminants to the surface of the carbon, and at the same time releases minerals such as calcium, iron and magnesium back into the water Great for those who want to eliminate plastic water bottles and still have great tasting, filtered water *Suitable with all water bottles sold from our site (wide spouts) Also available as a single pack charcoal filter