The mini filter for day hikes and emergencies. It is the ideal filter for travellers who only need to filter water occasionally and don?t want to pack a heavy duty water filtration system. Thanks to its handy size and low weight this miniature water treatment plant is the optimal solution for solo travellers, day hikes or emergencies. The key part is again the Katadyn ceramic with a pore size of 0,0002mm (0.2 micron). It reliably holds back all pathogenic bacteria and protozoa such as: giardia, cryptosporidium, salmonella, amoebas, e-coli etc.