MSR MiniWorks EX Filter


Durable and easy-to maintain microfilter is great for everything from day hikes to expeditions. 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 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.



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.

Durable carbon/ceramic element ensures safe, taste-free water—even with frequent, heavy use.

Can be cleaned repeatedly for full filter recovery with no tools required.

 AirSpring Accumulator increases filtration speed; up to 1-liter per minute.

Carbon core removes unpleasant tastes and odors caused by organic compounds, such as iodine, chlorine, and pesticides.

Durable ceramic element filters up to 2000 liters.

Reduces unpleasant tastes and odors, along with many chemical contaminants.

Easy-To-Use: Attaches to Dromedary Bags, Alpine Bottle, and other widemouth bottles.



Weight: 456g

Size 19 x 7cm

Rating: 1L/min

Effective against protozoa: Yes

Effective against bacteria: Yes

Effective against viruses: No

Effective against particulate: Yes

Effective against chemicals/toxins: Yes

Filter pore size: 0.2 microns

Flow (strokes per liter): 85


SKU M165-56425
Barcode # 040818564257
Brand MSR
Shipping Weight 0.4000kg
Shipping Width 0.200m
Shipping Height 0.050m
Shipping Length 0.050m
Shipping Cubic 0.000500000m3
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