The Katadyn Pocket Filter has been one of our best SELLING water filters for the past 20 YEARS and for a good reason. With simple effort, the Katadyn Pocket filter can produce up to 1 quart of safe drinking water per minute. The Katadyn Pocket Filter's SILVER IMPREGNATED element has been used by the U.S. Military Special Forces, NATO, RED CROSS, U.S. Forestry Service, and other military and relief agencies worldwide. The Katadyn Pocket Filter has long been regarded as the "BEST" portable water filter made in the world. 

Specs

• Effective against microorganisms
• Suitable for small groups up to 3 people
• Suitable for extremely dirty water
• Suitable for clear water
• Suitable for cloudy water
• For more frequent use
• For daily or very frequent use
• Lightweight and portable for on-the-go adventures