The GRAYL GeoPress Purifier bottle cleans and filters contaminated water in just eight seconds. In particular, it removes waterborne pathogens, including viruses, bacteria, protozoan cysts, Hepatitis A, norovirus, cryptosporidium, E. coli, and more. With this incredible feature, it can purify water from hotel sinks, murky rivers, wells, lakes, and much more. This makes it a great travel gadget because you can drink clean water anywhere. The GRAYL GeoPress Purifier bottle also improves the taste, smell, and clarity of water. The process is simple, too. Fill it with water, press the lid down to begin purifying, and drink. This allows you to take it on the go without any complexity. It also features ergonomic comfort pads for nonslip, antifatigue pressing, allowing you to use it in all conditions and environments. Overall, this GeoPress Purifier bottle holds up to 24 ounces of liquid and keeps you hydrated and safe on your travels.