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MSR SweetWater Water Purifier System Video


  • Simply pump water and add the included MSR SweetWater Purifier Solution to innactivate 99.99% of waterborne viruses, bacteria and protozoan parasites
  • Chlorine-based purification has no unpleasant iodine taste
  • One of the easiest pumps to operate—features dual-action draw and a mechanical advantage to quickly supply you with clean water
  • Sturdy lever-action pump handle provides a 4-to-1 mechanical advantage, drawing water on both the down and up stroke
  • Lightweight copolyester construction is tough and durable; compact design stows easily
  • Built-in filter replacement safety indicator keeps tabs on usage, filters up to 200 gal.
  • Its 0.2 micron filter eliminates waterborne bacteria and protozoa such as giardia and Cryptosporidium
  • SweetWater Purifier Solution is able to safely disinfect "worst case" water sources
  • SweetWater Purifier Solution comes in a 2 fl. oz. bottle that treats up to 80 gal. of water
  • Field serviceable and easy to clean with no small parts to lose; includes a universal bottle adapter and a cover to keep the output clean

Made in USA.

View all MSR Pump Water Purifiers

REI membership


Best Use Backpacking
Filter Type Pump
Filter Medium Silica depth matrix w/ carbon core / chlorine-based disinfectant solution
Removes/Destroys Protozoa, Bacteria, and Viruses
Pump Force 1.6 pounds
Pump Strokes Per Liter 81.6
Output 1+ liters per minute
Housing Material Copolyester
BPA Free Yes
Field Cleanable Yes
Dimensions 7.5 x 2 inches
Weight 14 ounces

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REI's guarantee doesn't cover ordinary wear and tear or damage caused by improper use or accidents.

If your item has a manufacturing defect in its materials or workmanship, you can return it at any time. See our limited warranty.

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