Water Filters and Purifiers

MSR MiniWorks EX Microfilter

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MSR MiniWorks EX Microfilter


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The MSR MiniWorks EX microfilter is the worldwide best-selling microfilter, delivering long-lasting, field-maintainable water filtration in demanding environments. Engineered for frequent and heavy use, it utilizes our workhorse Marathon™ EX carbon/ceramic element to ensure clean, reliable and taste-free water.
56425 - {~}



Thanks to its innovative AirSpring Accumulator™, it's capable of pumping one liter per minute and the flow rate can be renewed easily and repeatedly in the field-no tools required . It's lightweight and compact and, most importantly, been proven reliable by thousands of adventurers just like you .

  • Reliable: Durable carbon/ceramic element ensures safe, taste-free water-even with frequent, heavy use .
  • Field-maintainable: Can be cleaned repeatedly for full filter recovery with no tools required .
  • Fast Flow: AirSpring Accumulator™ increases filtration speed; up to 1-liter per minute .
  • Better-tasting Water: Carbon core removes unpleasant tastes and odors caused by organic compounds, such as iodine, chlorine, and pesticides .
  • Effective against protozoa Yes
  • Effective against bacteria Yes
  • Effective against viruses No
  • Effective against particulate Yes
  • Effective against chemicals/toxins Yes
  • Weight 1 lb / 456 g
  • Width 2.75 in / 7 cm
  • Length 7.5 in / 19 cm
  • Filter media Ceramic Plus Carbon
  • Filter pore size 0.2 microns
  • Flow (L/min) 1 liters per min
  • Flow (strokes per liter) 85
  • Cartridge life ~2000 liters
  • Field cleanable Yes
  • Field maintainable Yes
  • Country of Origin Made in Seattle, USA
  • Mechanical advantage Yes
  • Water Bottle Adapter Yes
  • Cartridge replacement indicator Yes


Additional Information

Brand MSR
Gender No
Size No
Product Number No
Special Price No

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