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MSR Miniworks EX Water Filter

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MSR Miniworks EX Water Filter


$89.95 Item #: 87779


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About MSR Miniworks EX Water Filter


CLICK HERE FOR VIDEO on the MSR Miniworks EX Microfilter Overview


CLICK HERE FOR VIDEO on the MSR MiniWorks Filter Maintenance


The MSR MiniWorks EX microfilter delivers long-lasting, field-maintainable water filtration in demanding environments. Engineered for frequent and heavy use, it utilizes a 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.
  • Compact and light- perfect for day hikes.
  • Ergonomic wider sculpted handle is more comfortable to grip and hollow to reduce weight.
  • Duckbill valve offers more consistent performance.
  • High compression piston filters more efficiently.
  • Ceramic filter cartridge with AirSpring Accumulator? - this newly designed ceramic cartridge traps air in the filter housing, maintaining a constant pressure in the cartridge- pushing more water in less time.
  • Solid block carbon eliminates odors and chemicals and improves taste.
  • Filters up to 1 liter per minute.
  • Thread stop design prevents over-tightening.
  • Fully field maintainable- disassemble and maintain in the field without tools.
  • Ceramic gauge indicates when to replace ceramic element.
  • Wt. 16.3oz.

PLEASE NOTE If you live in the state of Iowa, we are unable to sell you any water purification system due to Iowa Department of Public Health Restrictions. We apologize for any inconvenience.

Warning: California Residents - Prop65


8 x 4in.
Bacteria, protozoa, giordia, iodine, pesticides, cryptosporidia
Pore Size
.2 nominal
.3 absolute
Pump Strokes/L
Cartridge Capacity
100 gallons
Liters per Minute