FINEST: only 0.01?m, remove 99.9999% of all bacteria and 99.99% of all protozoa, effectively prevent the occurrence of dysentery and other infectious diseases.
NEWEST: compared to the previous one, the newest one using pure physical technology ,No Iodine, No Chlorine, No Activated Carbon, No Chemicals.
LATEST TECHNOLOGY: using Hollow Fiber UF Membrane as the filter material, it will not breed bacteria easily even if used it for a long time.
PORTABLE: does not require any electricity,with the weight 2.29OZ and D-shape carabiner make your trip more easily.
MULTIPLE USES: available in lake, river, brook and so on, help to solve drinking problem at any critical moment.