MSR MiniWorks EX Microfilter Water Filter

The 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 MarathonTM EX carbon/ceramic element to ensure clean, reliable and taste-free water. Thanks to its innovative AirSpring AccumulatorTM, 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 AccumulatorTM 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.

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Effective against protozoaYesEffective against bacteriaYesEffective against virusesNoEffective against particulateYesEffective against chemicals/toxinsYesWeight1 lb / 456 gWidth2.75 in / 7 cmLength7.5 in / 19 cmFilter mediaCeramic Plus CarbonFilter pore size0.2 micronsFlow (L/min)1 liters per minFlow (strokes per liter)85Cartridge life~2000 litersField cleanableYesField maintainableYesCountry of OriginMade in Seattle, USAMechanical advantageYesWater Bottle AdapterYesCartridge replacement indicatorYes ;