Make sure your water is clean using the LifeStraw Peak Series Personal Water Filter. The membrane microfilter protects against 99.9% of bacteria, parasites, microplastics, silt, sand and cloudiness to keep you healthy, and the filter is crafted from sustainable materials for an eco-friendly construction.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 cloudinessEnhanced microfilter performance helps to reduce clogging from sand and silt for better flow rateUltralight and durable, pack it anywhere for your backup hydration, emergency, or on-the-go needsExtreme durability: premium materials make it tougher and ultra leak-proofUnlimited shelf life means no need to worry about how long its been in your emergency go-bag unusedHighly versatile: Can also be attached to water bottles and to standard gravity hoses with removable threaded bottom capLong-lasting membrane microfilter will last up to 1,000 gallons (4,000 L) of water, thats enough drinking water for an individual for over 5 yearsYour purchase has impact: one purchase, one child, one year of safe waterLifeStraw is proud to be a B Corp and Climate Neutral Certified brand, committed to meeting the highest standards of verified social and environmental performance, transparency and accountability