The MSR 56501 AutoFlow Gravity Filter is perfect during trekking, camping and those situations when the origin of water is a concern |The MSR AutoFlow Gravity Filter 56501 offers you a complete outdoor water purification solution. The compact and lightweight design provides fast filtration, and also offers storage. |The MSR 56501 filter uses the unique Hollow Fiber technology which capitalizes on the power of gravity, to give you pure and uncontaminated water. |The pump free unique MSR AutoFlow mechanism filters more than 1.75 liters per minute and has a 4-liter storage capacity allowing sufficient filtered water storage even for larger groups. |The cartridge offers protection against protozoa, bacteria, and particulate matter and has a life of up to 1,500 liters. --(4 Pack)
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