Sawyer Products Complete Water Filtration System 0.1 Micron absolute hollow fiber membrane inline filter Removes 99.99999% of all bacteria, such as salmonella, cholera and E.coli; removes 99.9999% of all protozoa, such as giardia and cryptosporidium Housing material made from food grade ABS plastic is easily field maintainable Dispenses 2 liters of water in as little as 1.5 minutes; no residual chemical taste Backed by a manufacturer's limited lifetime warranty