The MSR AutoFlow Gravity water filter offers the luxury of effortless water storage and filtration in a compact, lightweight and streamlined system that cleans up to 1.75 liters a minute.

• Operation is simple: fill the collection reservoir with dirty water, attach it to the filter with the quick-connect fitting and let the water flow
• Efficient hollow fiber technology filters up to 1.75 liters per minute
• Lightweight 2-liter system weighs only 10 oz.
• Included shut-off clamp lets you control the water flow so you won't waste a drop of clean drinking water
• Quick and easy tool-free cleaning maintains high flow rates on extended expeditions; can be backflushed repeatedly without disassembly to regain flow rates
• Filter directly into most any bottle or reservoir with included universal bottle adapter
• Meets NSF protocol p231 for removal of bacteria (99.9999%) and protozoa (99.9%) from beginning to end of filter life in 'worst-case water'