LifeStraw Mission Water Purification System, High-Volume Gravity-Fed Purifier for Camping and Emergency Preparedness Gravity-fed, high-capacity, hollow membrane water purifier; ideal for group and family camping, outdoor activities, and emergency preparedness Removes virtually all bacteria (99.9999%), protozoa (99.99%), and viruses (99.999%) that can contaminate water; easily fillable in lakes and streams Compact roll-bag reservoir available in 5-liter (1.3 gallon) or 12-liter (3.1 gallon) size; can be suspended from tree or other support for easy access Simple to use […]

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