... hunting,survival,military Turn rain, lake, and river water into drinkable water immediately!Ideal for: Hiking, Fishing, Hunting, ... (Patent No. ZL200510033632.9)· Entirely removes bacteria in water like Escherichia coli, Staphylococcus aureus, Salmonella typhi, Vibrio ... hose to let filtrated water flow into container. 6) After filling water container with filtered water or meeting your requirement, ...