Don't let impurities compromise your outdoor adventures or daily commutes. Engineered with advanced carbon filtration technology, LifeStraw's replacement filters effectively remove bacteria, parasites, and microplastics from water sources, ensuring every sip is clean and refreshing. Designed to fit seamlessly into your LifeStraw Go bottle, these replacements guarantee you stay hydrated without compromising on taste or quality.    FEATURES: Compatible with all LifeStraw Go and Go Series Water Bottles Each carbon filter lasts up to 26 gallons (100 L) - about two months. Protects against chlorine, organic chemical matter, and sand, dirt, cloudiness for improved taste Independently lab tested Every fill of your LifeStraw Go, LifeStraw Steel, or LifeStraw Universal compatible bottle avoids the need for single use plastic bottles of water! Your purchase has impact: one purchase, one child, one year of safe water