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 MSR's 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: 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|
|Country of Origin||Made in Seattle, USA|
|Water Bottle Adapter||Yes|
|Cartridge replacement indicator||Yes|
MSR Miniworks EX Microfilter Overview
Rugged, durable, easy-to-maintain microfilter. Great for everything from day hikes to extended trips.
MSR MiniWorks Filter Maintenance