... ,hunting,survival,military Turn rain, lake, and river water into drinkable water immediately!Ideal for: Hiking, Fishing, Hunting, Survival, ... (Patent No. ZL200510033632.9)· Entirely removes bacteria in water like Escherichia coli, Staphylococcus aureus, Salmonella typhi, Vibrio ... activated carbon cartridge is connected with the cover. Pick out the white ceramic cartridge from package, and then ...