The Katadyn Hiker is the best selling microfilter in the US Outdoor Market. Lightweight and easy to use design is the best choice for all around use. Unique, pleated cartridge design provides fast and easy pumping. Convenient and handy for 1-2 people (e.g. while hiking or trekking). Compatible with hydration bladders. Includes: Prefilter, bottle adapter and carry bag. QUICK FACTS Effective against microorganisms Effective against bad taste Effective against chemicals For solo use Suitable for cloudy water For more frequent use Lightweight and portable for on-the-go adventures SPECIFICATIONS Dimensions: (in) 3 x 6 Diameter: (in) 2 Output (gal) 1 quart/min Technology: AntiClog with 0,2 micron glassfiber, Activated carbon Weight: (oz) 11