Water Filter Straw - Triple filtration to 0.05 Microns, Highest Filtration Available. Miniwell L600. Carbon Fiber, UF filters can be easily cleaned or replaced. Weighs only 3.5 ounces! Ideal for emergency prepardness, traveling, camping, hiking, fishing, or any where you need safe, clean water. Accuracy 0.05um Capacity 1000L Water flow 200ml/min Material ABS , pp, carbon fiber, UF(medical grade) The only filter in this class with replaceable UF and Carbon Fiber filter