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. Thanks to its innovative AirSpring Accumulator™, it’s capable of pumping one litre 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.
- Testing - Meets NSF protocol P231 for removal of bacteria (99.9999%) and protozoa (99.9%) from beginning to end of filter life in “worst-case” water.
- 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-litre per minute.
- Better-tasting Water - Carbon core removes unpleasant tastes and odours caused by organic compounds, such as iodine, chlorine, and pesticides.
- Weight (Standard) - 1 lb
- Weight (Metric) - 0.46 kg
- Width (Standard) - 2.75 in
- Width (Metric) - 7 cm
- Length (Standard) - 7.5 in
- Length (Metric) - 19 cm
- Height (Standard) - 5.5 in
- Effective against bacteria - Yes
- Effective against chemicals/toxins - Yes
- Effective against particulate - Yes
- Effective against protozoa - Yes
- Effective against viruses - No
- Filter media - Ceramic Plus Carbon
- Filter pore size (microns) - 0.2
- Flow (L/min) - 1 litre per min
- Flow (strokes per litre) - 85
- Cartridge life - 2000 litres
- Field cleanable - Yes
- Field maintainable - Yes
- Water Bottle Adapter - Yes
- Cartridge replacement indicator - Yes
- Material(s) - Ceramic
We aim to ship out all orders placed before 2pm the same working day! For shipments in the United Kingdom mainland, we use Royal Mail Tracked 24 service (DPD Next Day for larger items and items that weigh over 4KG). Please see our shipping policy for more details.
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