Katadyn Hiker Pro Microfilter - Just a quick stop at a stream or lake nets you 1 liter/minute. The quick-connect fittings enable the simplicity of one-step filtering directly into most reservoirs or bottles. Plus, a cleanable filter protector allows on-the-go maintenance. You can refill your water supply quickly and get on your way to fun. Effective against microorganismsEffective against bad tasteFor solo useSuitable for small groups up to 3 peopleSuitable for cloudy waterSuitable for clear water onlySuitable for extremely dirty waterFor daily or very frequent useFor more frequent useLightweight and portable for on-the-go adventuresDimensions: 3 x 6 inDiameter: 2 in 1 quart Weight: 11 oz