The Platypus GravityWorks 2.0L Filter System is a complete kit for filtering water in the backcountry. Whether you need drinking water for yourself or up to 4 people, this water filter will get the job done. Fill the reservoir marked "dirty" from the source, connect the hose, filter, and the 2.0L flexible water bottle (or use an adapter for a different bottle). Hang the dirty bag above and go about setting up camp. When you return you'll have safe drinking water, and you didn't have to pump a thing.
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