The improved Katadyn pocket filter with new features that include; a redesigned handle for ease of use and comfort, a new outlet spout with a hose that can be attached to it, and a clip that holds the hose in place when filling your water containers. The new filter retains the ceramic element that is combined with the silver ion charged inner core and makes the Katadyn the only purifier approved by the International Red Cross for field work. It even removes 97% of all radioactivity. Only 10" long and 2" in diameter and less than 1.5 lbs., it is ideal for emergency use, backpacking, camping or any outdoor activity where you might use local water. Flow rate of 1 qt. per minute. Up to 13,000 gallons service life on element.