All of our products use the Sawyer Hollow Fiber Membrane Filter to deliver 0.1 absolute micron biological filtration. Sawyer filters remove 7 log (99.99999%) of all bacteria like Salmonella and E. coli; and 6 log (99.9999%) of all protozoa such as Giardia and Cryptosporidium.
The filters are housed in different casings for different uses. Here are our most popular clean water solutions
for international travel and disaster response: