"No matter where adventure leads, the GRAYL GeoPress Purifier Water Bottle ensures clean, drinkable water is available in 810 seconds! It's easy to use Just fill, press, and drink! The included, replaceable filter removes 99.99% of viruses, like rotavirus, norovirus, and hepatitis A; 99.9999% of bacteria, like E. coli, salmonella, and dysentery; and 99.9% of protozoa, like giardia, cryptosporidium, and amoebae. It incorporates ultra-powdered activated carbon to effectively filter microplastics, sediment, silt, chlorine, benzene, chloroform, lead, arsenic, chromium, flavors, and odors. Fast flow rate of 5L per minute gives you purified water in as little as 8 seconds. The cartridge is rated for up to 350 cycles (up to 65 gal.). 1-way valve prevents backflow, so you can add electrolytes or drink mixes to your water without compromising its purity. A wide, contoured RiverFlow spout delivers a fast flow for chugging or filling hydration reservoirs or other bottles. Bevelled Bumper TPE base withstands drops (at full capacity) from up to 6'. Made from BPA-free polypropylene #5, food-grade silicone, TPE, and food-grade plastic. This GRAYL water bottle meets or exceeds the Environmental Protection Agency's Water Purifier standards for microbiological filtration. 10.4""H x 3.4"" dia. Capacity: 24 oz. Weight: 16 oz. Easy to use Just fill, press, and drink Removes 99.99% of viruses, 99.9999% of bacteria, and 99.9% of protozoa Filters microplastics, sediment, silt, chlorine, benzene, chloroform, heavy metals, flavors, and odors Fast flow rate of 5L per minute delivers purified water in 810 seconds Cartridge rated for up to 350 cycles (65 gal.) 1-way valve allows you to add electrolytes or drink mixes without compromising purity Wide, contoured RiverFlow spout Bevelled Bumper withstands drops from up to 6' Made from BPA-free polypropylene #5, food-grade silicone, TPE, and food-grade plastic meets or exceeds the EPA's Water Purifier standards for microbiological filtration"