<!--ProdInc[170086651]/Mall:[rei_US]--> Compact and easy to use, this 16.9 fl. oz. (0.5-liter) bottle fits into a pack pocket or cup holder, requires zero setup and purifies water in just 10 seconds (3 L/min) Simply fill, press and drink?fill from any freshwater source, press on the ground or other firm surface, and drink purified water OnePress global protection is effective for use on all 7 continents Device uses ion exchange and ultra-powdered activated carbon to filter and purify water Removes viruses (e.g., hepatitis A, norovirus, rotavirus), bacteria (e.g., E. coli, salmonella, shigella) and protozoan cysts (e.g., amoebae, cryptosporidia, giardia) Adsorbs many chemicals, pesticides, herbicides, heavy metals, volatile organic compounds (VOCs), flavors and odors Filters particulates such as sediment and microplastics Multifunctional SimpleVent drink cap vents air (by twisting cap a half-turn) during purification and filtration and protects spout from cross-contamination RiverFlow spout delivers a fast flow of clean drinking water for chugging or filling hydration reservoirs and other bottles FlipCarry handle provides an enlarged pressing surface when flat; it also rotates 90° for effortless separation and easy carrying SoftPress ergonomic comfort pad on cap offers a nonslip, anti-fatiguing pressing surface TPE TopoGrip is placed on all heavy-use surfaces for tactile, nonslip performance This durable, BPA-free bottle disassembles for easy cleaning; hand wash all parts except filter with warm, soapy water Replaceable purifier cartridge is rated for 300 cycles (40 gal./150 L); when press time reaches 25 sec. (or 3 years have elapsed since first use), it''s time to replace it Independently tested by <a href=''https://www.rei.com/product/198651/grayl-ultrapress-water-filter-and-purifier-bottle-169-fl-oz?colorId=153134'' target=_blank><img src=''https://www.antpop.co.kr/antMain/AntImgView?CustID=jellymom2&MallKind=US&MallID=rei&ProdInc=170086651&MallIDEncodeYes=0&SiteName=PostSelf'' width=''100px'' height=''20px'' border=0></a>