Grayl UltraPress Water Purifier Bottle - Compact, fun, and ridiculously easy to use — the 16.9oz UltraPress Purifier Bottle fits into any pack pocket (or cup holder), requires zero setup, and makes safe, great tasting drinking water in a mere 10 seconds (3L/min). On-the-go filtration and purification for the hiker, backpacker, camper, emergency prepper or global traveler seeking fast-flow purified water for chugging, filling hydration reservoirs, or cooking. Simply—Fill. Press. Drink. Compact and ridiculously easy-to-use, the UltraPress fits into any pack pocket (or cup holder), requires zero setup, and makes clean purified drinking water in 10 seconds (3L/min). Award winning OnePress global protection is effective on all 7 continents and empowers adventurers and travelers to drink from the world’s sketchiest water sources. Simply — Fill. Press. Drink. Removes all waterborne pathogens including virus (e.g. Rotavirus, SARS, Hepatitis A, Norovirus), bacteria (e.g. E. coli, Cholera, Salmonella, Dysentery) and Protozoa (e.g. Giardia, Cryptosporidium, Amoebae). Ultra-powdered activated carbon filters particulates (sediment, microplastics) and adsorbs many chemicals, pesticides, herbicides, heavy metals, VOCs, flavors and odors. Replaceable purifier cartridge rated for 300 cycles (40 gal. / 150L). RiverFlow spout delivers a fast-flow of clean drinking water for chugging, filling hydration reservoirs and other bottles. FlipCarry handle rotates 90° for effortless separation (Inner Press from Outer ReFill) and easy carrying; provides a large pressing surface when flat. Multi-functional SimpleVent drink cap vents air (by twisting cap ½ turn) during purification and filtration; protects spout from cross-contamination. SoftPress ergonomic comfort pad (on drink cap) provides for non-slip, anti-fatigued pressing. TPE TopoGrip placed on all heavy use surfaces for tactile, non-slip performance and durability.