The Katadyn Hiker Pro is a lightweight high output filter that is one of the best on the market for the backcountry hunter. At 1 liter/minute flow rate, you can quickly refill your water bottles or bladders and get back to camp or hunting quickly. At under 11 oz. the Katadyn Hiker Pro is a great way to treat your water while in the backcountry! SPECIFICATIONS Dimensions (in) 2.96 x 6.44 Diameter (in) 2.38 Ø Output (gal) 1.06 quart/min Technology AntiClog Technology with 0,2 micron glassfiber, Activated carbon Weight (oz) 10.93 QUICK FACTS Effective against microorganisms Effective against bad taste Effective against chemicals For solo use Suitable for small groups up to 3 people Suitable for cloudy water Suitable for clear water Suitable for extremely dirty water For daily or very frequent use For more frequent use Lightweight and portable for on-the-go adventures