Prestige® LifeStraw® will forever change the way you look at pure drinking water. Most water purifiers chemically kill the micro-organisms but leave the dead germs behind in the water. Prestige® LifeStraw®, however, with its advanced Swiss based Hollow Fiber Ultra-filtration technology, physically removes harmful micro-organisms from the water. For you, it is peace of mind and a certainty that your glass of Prestige® LifeStraw® water is completely pure and vegetarian. Removes all viruses, bacteria and protozoan cysts. Chemical-free purification process. Retains all essential minerals. Meets stringent US EPA standards. Removes odour and suspended particles. Capacity 18 Litres.