<!--ProdInc[170095196]/Mall:[rei_US]--> Made with premium, durable 50% postconsumer recycled BPA-free plastic Protects against 99.999999% of bacteria (including E.coli and salmonella), 99.999% of parasites (including giardia and cryptosporidium) and 99.999% of microplastics Standard 28 mm PCO threads allows you to screw the filter onto standard water bottles Lightweight and compact design Flow rate of 3 liters per minute can fill up a 1-liter bottle in just 20 seconds Enhanced membrane microfilter performance helps to reduce clogging from sand and silt for a better flow rate Membrane microfilter lasts up to 2,000 liters Pore size: 0.2 microns Includes top and bottom caps for leakproof storage, custom threaded backwash syringe, and user manual Meets U.S. EPA and NSF P231 drinking water standards for the removal of bacteria and parasites For every purchase from LifeStraw, a child in need receives safe drinking water for a year LifeStraw is a B Corp brand, committed to meeting the highest standards of social and environmental performance, transparency and accountabilityImported. Technical specs <table border=1 cellpadding=5 style=''border-collapse: collapse;''><!--[--><tr class=''tech-specs__row'' data-v-fc44804c=''''><th class=''tech-specs__header'' data-v-fc44804c=''''>Best Use</th><td class=''tech-specs__cell'' data-v-fc44804c=''''><!--[--><p class=''tech-specs__value'' data-v-fc44804c=''''>Hiking</p><p class=''tech-specs__value'' data-v-fc44804c=''''>Backpacking</p><!--]--></td></tr><tr class=''tech-specs__row'' data-v-fc44804c=''''><th class=''tech-specs__header'' data-v-fc44804c=''''>Filter Type</th><td class=''tech-specs__cell'' data-v-fc44804c=''''><!--[--><p class=''tech-specs__value'' data-v-fc4 <a href=''https://www.rei.com/product/229734/lifestraw-peak-series-solo-water-filter?colorId=200402'' target=_blank><img src=''https://www.antpop.co.kr/antMain/AntImgView?CustID=jellymom2&MallKind=US&MallID=rei&ProdInc=170095196&MallIDEncodeYes=0&SiteName=PostSelf'' width=''100px'' height=''20px'' border=0></a>