The world's first titanium filter bottle provides unparalleled strength to weight ratio and meets the most challenging rigors of the outdoors. Its drink-mix ready (hello electrolytes) and the Outer Ti Cup can be used to heat water and cook food near a fire or on a camp stove. The ultimate in water filtration and purification, the GRAYL UltraPress Titanium Water Filter & Purifier Bottle allows anyone, anywhere to make clean drinking water from the sketchiest water sources on Earth. Fast, easy-to-use, the UltraPress utilizes patented OnePress Global Protection to effectively remove all waterborne pathogens (VIRUS, BACTERIA, PROTOZOA) and filter out pesticides, chemicals, heavy metals, and even microplastics.Ideal for hiking, backpacking, camping, and any outdoor activity-fishing, hunting, and watersports like kayaking, paddle boarding, canoeing, etc. Works on virtually any contaminated freshwater source: sketchy spigot, hotel sink, wild river, murky well, or lake. Keep UltraPress in your emergency preparedness kit in case of a water emergency from a natural disaster or boil water advisory. Bottle material is BPA-free. Independently tested to meet/exceed NSF Protocol 43 & 53 for pathogen & chemical removal, and meets EPA Guide Standard & Protocol for testing microbiological water purifiers. Purifier cartridges (one included) are replaceable and constructed of non-woven ceramic fibers that block particulates (i.e. microplastics, sediment) and provide structure for two technologies: electroadsorption and ultra-powdered activated carbon. As dirty water is forced through the purifier media, electroadsorption binds all waterborne pathogens. Ultra-powdered activated carbon adsorbs pesticides, chemicals, heavy metals, flavors, and odors. Cartridges rated for 300 cycles (150 liters / 40 gallons). Fast flow rate: 10 seconds per 16.9 fluid ounces (3 liters per minute); Weight: 14.1 oz (400 g); Height: 9.5 (240 mm) Diameter (at base): 2.75(7 cm).