Etekcity 2Pack Portable 1500L Emergency Camping Water Filter, 3-Stage Filtration, 0.01 Micron, Survival Kit Supplies SAFE WATER: 3 Stage filtration including 0.01 Micron absolute hollow fiber membrane inline filter; more filter stage, safer than others. Removes 99.99999% all bacteria and protozoa, such as E.coli, giardia and other chemicals MORE EXTRA EQUIPMENT : The filter kit comes with a foldable 16oz water pouch for collecting water for emergencies, a longer straw to attach to the tube if you need a little more length, and a syringe to flush it out the opposite way for cleaning FILTER MORE: This filter will provide up to 1500 liters safe drinking water from any source like creeks and streams whether clean or dirty WIDE APPLICATION: Small and lightweight, ideal for backpacking, camping, hiking, scouting, emergency preparedness kit, and survival bags to keep in car RELIABLE: surpasses EPA standards for water filters; the pouch complies with the FDA's Food Contact test collected rainwater tap water unfiltered reservoirs ponds rivers lakes