Clear - 2 L


AutoFlow Gravity Microfilter

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MSR - AutoFlow Gravity Microfilter

The supreme ease of the MSR AutoFlow Gravity Filter has converted many backcountry travelers to pump-free water filtration. Now, it offers the luxury of effortless water storage and filtration in a more compact, lightweight and streamlined system. Efficient hollow fiber technology filters up to 1.75 liters per minute, and quick and easy tool-free cleanings maintain high flow rates on extended expeditions. Choose the 4-liter system for groups and base camps. The 2-liter system is perfect for backpacking pairs.

International Restrictions Apply

California WARNING: Can expose you to styrene, which is known to the State of California to cause cancer.

Technical specifications & features

Weight 2 Liter: 300 g (10 oz.)
4 Liter: 315 g (11.1 oz.)
Made in USA
Treatment Type Gravity Filter
Filter Material Hollow Fibers
Flow Rate 1.75 liters per Minute
Field Maintainable Yes
Protects Against Protozoa and Bacteria
Micron Rating 0.2 Micron
Dimensions 2 Liter: 12.7 x 15.6 cm (8.5 x 15 in.)
4 L: 50.8 x 28.7 cm (11.3 x 20 in.)
Other Features • Tested - Tested: 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.
• Rolls Tighter - New reservoir made of durable film and an updated closure system reduce bulk for discreet packing
• Better Tasting - Improved food-grade lining ensures better tasting water
• No Pumping - Uses the power of gravity to filter 1.75 liters per minute, offering the efficiency to multi-task at camp
• System Convenience - Combines water collection, storage and filtration into one compact system
• Field-Maintainable - Can be backflushed repeatedly without disassembly to regain flow rates.
• Adaptable - Filter directly into most any bottle or reservoir with included Universal Bottle Adapter.

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