The Katadyn Pocket Black Edition is a tactical ceramic hand pump water filter built for survival, emergency preparedness, and expedition use. The lightweight 20 oz microfilter pumps 1 liter of clean water per minute and connects directly to most water bottles and hydration packs. Built to last a lifetime - the silver-impregnated ceramic cartridge filters up to 13,000 gallons, is field-cleanable with the included brush pad, and includes a built-in wear indicator. The Black Edition ceramic depth filter screens out sediment and fine particless in any field condition - proven in expeditions and emergency operations worldwide and backed by Katadyn's 20-Year Guarantee. Black coloring is designed for tactical and professional use environments.