If you want to obtain clean drinking water simply and quickly . you can use this portable water filter. Equipped with a 4-stage filtration system and 0.1 microns pore size . this camping water purification reduces 99.99999% of Escherichia coli . bringing you clean drinking water anywhere. A long lifespan ensures it provides up to 5 . 000 liters (1 .321 gallons) of drinking water. The survival gear is ideal for recreation . hiking . and camping. Its also your good companion for scouting . domestic and international travel . and emergency prepar