... Water Filters Bamboo Charcoal Water FiltersBamboo charcoal is a refreshingly simple, natural and eco-friendly way of filtering tap water. ... well as the 4-piece pack, bamboo charcoal water filters are available in other pack sizes (8, 12 ... , 16, 32 and 48 pieces).Charcoal water filtering is traditional and well-known in many ... its kind.After using charcoal as a water filter for 2 months you can reuse ...