portable water filter is a kind of water filter used in outdoor Ideal for hiking,fishing,hunting,survival,military Turn rain, lake, and river water into drinkable water immediately!Ideal for: Hiking, Fishing, Hunting, Survival, Military, Foreign Travel, Emergency, etc.99.9999% removes bacteria with 0.1μm ceramic membranes cartridge Features:· 3-stage water purifier: does not only remove disease- ...