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MSR SweetWater Microfilter

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Lightweight, compact and perfect for two people, the SweetWater Microfilter pumps water on both up and down strokes for a flow rate of 1.25 liters per minute, with a 4-to-1 mechanical advantage. Included brush cleans clogged filter for field maintenance.

Accessories include an 80-micron stainless-steel pre-filter, two color-coded silicone hoses, foam float, water bottle adapter, cleaning brush, and carry bag. Everything you need in a pump.

  • Eliminates over 99.9999% of all waterborne bacteria and 99.9% of common protozoan parasites, such as giardia and cryptosporidium
  • Activated carbon core helps eliminate taste and odors
  • Unique lever-action pump handle has a 4-to-1 mechanical advantage
  • Weighing just 11 oz., it's one of the lightest filters on the market
  • Handle folds flat when not in use for easy packing and storage


  Type  Microfilter
  Effective Against  Protozoa, bacteria, particulate, chemicals/toxins,
 tastes and odors
  Flow Rate  1.25 L/min
  Filter Life  Approx. 750 L
  Pore Size  0.2 Micron
  Weight  11 oz / 320 g
  Dimensions  7.5 x 2 in / 19 x 5 cm