Lifestraw - Gravity filter - Flex Gravity Bag 3L Mountain Blue - Navy Navy one size

Protects against 99.999999% of bacteria (including E.coli, Salmonella), 99.999% of parasites (including Giardia and Cryptosporidium), 99.999% of microplastics, silt, sand, and cloudiness Enhanced microfilter performance: Our re-engineered membrane and custom backwash accessory means better performance against sand and silt, maintaining great flow over the long haul Extreme durability: premium materials make it tougher and ultra leak-proof Highly versatile means the gravity system is designed with every occasion in mind; Use as a gravity system, large squeeze bottle, as a straw, or use the filter with a water bottle Your purchase has impact: one purchase, one child, one year of safe water