The LifeStraw Go water bottle features advanced filtration, protecting against 99.999999% of bacteria (including E.coli and Salmonella) and 99.999% of parasites (including Giardia and Cryptosporidium). It also removes 99.999% of microplastics and reduces chlorine, bad odor, organic chemical matter, and turbidity, improving taste. The bottle is durable and BPA-free, holding 650 ml (22 oz) of water. The long-lasting membrane microfilter can process up to 1,000 gallons (4,000 L) of water, while the activated carbon filter lasts up to 26 gallons (100 L) with proper use and maintenance. All LifeStraw filters are rigorously tested to meet protocols established by the US Environmental Protection Agency (EPA) and NSF International/ANSI. For every LifeStraw product purchased, a child receives safe water for an entire school year. The bottle is dishwasher safe once the filter is removed.