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MSR MiniWorks EX Microfilter

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MSR MiniWorks EX Microfilter


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MSR MiniWorks EX Microfilter

The MiniWorks EX microfilter is one of the 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. 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
  • Field-maintainable: can be cleaned repeatedly for full filter recovery
  • Fast flow: AirSpring Accumulator™ increases filtration speed
  • Better-tasting water



  • Weight: 456 g/1 lb
  • Width: 7 cm/2.75 in
  • Length: 19 cm/7.5 in
  • Filter media: ceramic plus carbon
  • Filter pore size: 0.2 microns
  • Flow (L/min): 1 liter per minute
  • Filter life: ~2000 liters

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