Product 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. Product Specifications 22 fl oz | 650 mL Weight: 650mL Height: 28cm | 11in Diameter: 8cm | 3in Replaceable filters & parts BPA Free and dishwasher safe, once filter is removed