Description Removes 99.999999% of bacteria (including E.coli, Salmonella), 99.999% of parasites (including Giardia and Cryptosporidium), 99.999% of microplastics, silt, sand, and cloudiness Reduces chlorine, and bad odors for improved taste Long-lasting membrane microfilter lasts up to 1,000 gallons (4,000 L) and the activated carbon filter lasts up to 26 gallons (100 L) of water with proper use and maintenance Independently lab tested to meet drinking water protocols established by the US Environmental Protection Agency (EPA) and NSF International/ANSI 24 oz capacity. Every fill avoids single use plastic bottled water! Double wall vacuum insulated bottle keeps your water cool all day. Your purchase has impact: one purchase, one child, one year of safe water LifeStraw is proud to a B Corp and Climate Neutral Certified brand, committed to meeting the highest standards of verified social and environmental performance, transparency and accountability Specs Membrane microfilter removes 99.999999% of bacteria, 99.999% of parasites, 99.999% of microplastics, silt, sand, and cloudiness Activated carbon filter reduces chlorine and bad odors for improved taste Meets NSF 42 standard for chlorine reduction Meets US EPA & NSF P231 drinking water standards for the removal of bacteria and parasites Membrane microfilter lasts up to 1,000 gal | 4,000 L, pore size: 0.2 micron Activated carbon filter lasts up to 26 gal | 100 L Not intended to keep liquids hot Replaceable filters & parts Volume: 24 fl oz | 710 mL Weight: 17 oz | 480g Dimensions: 9.4 x 3.3 in | 240 x 85 mm Includes: water bottle, membrane microfilter, activated carbon filter, cap with silicon mouthpiece, carabiner