Altitude Sports
Altitude Sports

MSR  AutoFlow System

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Combines water filtration, storage and collection into a single, lightweight system.
Now with an even lighter filter cartridge, the AutoFlow Gravity Microfilter represents the latest evolution of backcountry hydration, combining filtration, storage and collection into a single, pump-free system. Featuring the latest Hollow Fiber technology and the power of gravity, the AutoFlow microfilter is fast as well—up to 1.75 liters per minute without a single pump stoke. 4-liter reservoirs allow you to filter large quantities at once making it perfect for groups, while quick and easy tool-free cleanings maintain high flow rates on extended expeditions.

No Pumping: Lets gravity do the work so you don't have to.

Fast: Filters more than 1.75 liters per minute.

Lightweight: Weighs only 10.5 oz. (299 g).

Field-Maintainable: Can be cleaned repeatedly without disassembly for flow recovery.

Adaptable: Filter directly into most any bottle or reservoir with included Universal Bottle Adapter.