LifeStraw Go Series is the ultimate sidekick for safer, better-tasting water for travel and everyday use. The BPA-free bottle filters out nasties, so you can fill up from airport bathrooms, a tap in Mexico, or a gas station while road-tripping. The advanced 2-stage filter improves taste and protects against bacteria, parasites, microplastics, chlorine, silt, sand, and cloudiness. The BPA-free bottle is made from 50% post -consumer recycled plastic. Do good on the go and avoid single-use plastic bottles. For every purchase, a child in need receives to safe drinking water for a year. Lifestraw GO 1 Litre Features: FILTERS OUT CONTAMINANTS: the Membrane microfilter protects against Bacteria (including E.coli + Salmonella), Parasites (including Giardia and Cryptosporidium), Microplastics, sand, dirt, and cloudiness IMPROVES TASTE: the Carbon filter reduces chlorine, odors + organic chemical matter LONG LASTING: The membrane microfilter lasts up to 1,000 gal (4,000 L) - about five years of daily use. Carbon filter lasts up to 26 gallons (100 L) - about two months. SAVES WASTE: The membrane microfilter lasts the equivalent to 8,000 single use plastic water bottles. LifeStraw is proud to be a B Corp and Climate Neutral Certified brand For every purchase, a child in need receives safe drinking water for a year. Replaceable filters & parts LifeStraw Membrane Microfilter Removes: Membrane microfilter removes 99.999999% of bacteria, 99.999% of parasites, 99.999% of microplastics, silt, sand, and cloudiness Activated carbon filter reduces chlorine, organic chemical matter and odors for improved taste  Meets NSF 42 standard for chlorine reduction Meets US EPA & NSF P231 drinking water standards for the removal of bacteria and parasites Membrane microfilter lasts up to 1,000 gal - 4,000 L, pore size: 0.2 micron