www.waterfilters.net/Katadyn-Pocket-Replacement-Camping-Filter.html
The Katadyn Pocket Replacement Filter features a silver impregnated ceramic, which prevents bacteria and protozoa growth while capturing 99.99% of parasites, pathogenic bacteria, and microbial cysts. The Katadyn Pocke Filter element is highly reusable with an estimated filter life of 13,000 gallons. The Katadyn Pocket Filter Kit includes: replacement ceramic filter element, cleaning pads, Silicon lubricant, output hose, measuring gauge, bottle clip, and piston o-ring.
