Gravity Water Purifiers
Guardian Gravity Purifier
MSRDrink water anywhere in the world—from local backcountry to remote locales—with the MSR Guardian Gravity purifier. Hang it while you go about your tasks at the hostel, basecamp or campsite.
Mission Gravity Water Purifier
LifeStrawIdeal for camping, group hikes and expeditions, the Mission Purifier makes it easy to enjoy clean, purified drinking water. Simply fill the BPA-free bag, hang it up and let gravity do the work.