BottlePro Adventure clean tasty drinking water wherever you go. Its advanced filtration technology, developed by NASA, eliminates more than 99.99% of pathogens, making non-potable water safe. Made of stainless steel, 740ml capacity, internal straw and long-lasting cartridges. Isothermal design keeps water cold for up to 24 hours. Perfect for travel, sport and adventure. Designed in Europe. From non-potable to potable water Filters over 80 contaminants in water and removes up to 99.99% of pathogens, making non-potable water safe. Convenience and practicality in every use Keeps water cold for 24h, 740 ml capacity, internal straw and long lasting cartridges, instant filtration! Filtration developed by NASA With optional Ahlstrom cartridges with NASA patented technology, transforms non-potable water into safe water, ideal for adventures and emergencies. Filtered water wherever you go