• Fast! Filters four liters in 2.5 minutes.• Weighs just 10.75 oz. (305 g) • 8L capacity lets you easily transport and store water for groups. • Backflushes in four seconds, maintaining optimal performance with no additional parts or tools required. • Platy™ zip opening collects water easily–even in challenging situations. • Clean storage reservoir with shutoff clamp makes dispensing water a breeze. • Create a custom system to meet your personal needs using our wide range of accessories. • Effective: Meets all EPA & NSF guidelines for the removal of Bacteria and Protozoa, including Giardia, Cryptosporidium, E. coli, Salmonella and Cholera.