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Compatible with Go series water bottles purchased in 2023 or later, this filter is not suitable for earlier models with a flip-up mouthpiece and carabiner attachment. It protects against bacteria (including E. coli and Salmonella), parasites (including Giardia and Cryptosporidium), microplastics, chlorine, organic chemical matter, silt, sand, and cloudiness, enhancing taste. The long-lasting membrane microfilter can purify up to 1,000 gallons (4,000 liters) of water, automatically stopping when its lifetime is reached. The activated carbon filter, with proper use and maintenance, lasts up to 26 gallons (100 liters). LifeStraw, a B Corp and Climate Neutral Certified brand, ensures that for every purchase, a child in need receives a year of safe drinking water.