The Katadyn Hiker has consistently been the best selling microfilter in the U.S. market. More boaters, backpackers, hikers, scouts and other outdoor enthusiasts choose this filter for safe, clean, good-tasting drinking water. The replaceable pleated glass-fiber filtering element provides fast, easy pumping and more surface area for longer filter life. 0.2 micron pore size removes bacteria and protozoa, including giardia, salmonella and cryptosporidia. Smooth pumping action puts out approximately one liter per minute of safe drinking water. Activated-carbon core in the filter cartridge removes bad tastes and harmful chemicals. Pre-filter on inlet hose removes large contaminants to increase filter life. Includes: Intake hose with prefilter, outlet hose with universal bottle adapter, hydration system connector, carrying bag and instructions.