Water-to-Go Active 750 ml Black Purifier Bottle is the perfect companion for any trip, weekend getaway or survival escapade. Drinking water obtained from a spring and even snow, river or lake thanks to Water-to-Go has become a fact. The Water-to-Go filtering system developed for NASA uses nanotechnology and alumina particles. The three-phase stage of water filtration allows the removal of 99.9999% of impurities of all kinds and one filter cartridge allows you to purify up to 200 liters of water. The Active bottles series was created for active people who are eager to take part in mountain trips, outdoor trips and survival adventures. Active bottles are characterized by increased resistance to mechanical damage and their shape allows them to be placed in a bicycle bottle holder and in other places. Water-to-Go Active 750 ml Black Purifier Bottle it is made of durable and completely safe in contact with food plastic.