MSR AutoFlow™ Gravity Water Filter

MSR’s AutoFlow Gravity Water Filter delivers the supreme ease of pump-free backcountry water filtration in a compact, lightweight and streamlined system. This gravity-powered water filter utilizes hollow fiber technology to filter up to 1.75 liters per minute, removing waterborne protozoa, like giardia, and bacteria, like salmonella. The 4-liter system is ideal backpacking groups and wilderness base camping. The new 2-liter system is perfect for backpacking pairs.

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