The water filter is very powerful and efficient at an ultralight weight of only 58 g It can be used to drink while hiking or camping directly from rivers, lakes and other fresh water sources. He can filter up to 100.000 L. The hollow fiber membrane removes > 99.9999 % bacteria (E. coli), 99.9 % parasites and protozoa (Giardia lamblia and Cryptosporidium). The filter is easy to backwash and has a transparent control window and a monthly usage indicator. The versatility of the filter allows universal applications. This ensures easy access to clean and safe drinking water even under the toughest conditions. - ultra light (58 g) - very versatile - with control window Filter performance approximately 100.000 L Weight 58 g Capacity 1 L / minute Pore size 0.1 micron Ø 3,9 x 15,0 cm Content 1 water filter 1 water bag 1 drinking straw Please follow the instructions!