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-liter per minute.
• Better-Tasting Water Carbon core removes unpleasant tastes and odours caused by organic compounds, such as iodine, chlorine, and pesticides.

Specifications

Weight 0.46 kg

Length 19 cm

Effective against bacteria/particulate/chemicals/toxins - 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 liters

Field cleanable Yes

Field maintainable Yes

Water Bottle Adapter Yes

Cartridge replacement indicator Yes