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MSRMiniworks Ex Purifier System

MSRMiniworks Ex Purifier System

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5 out of 5 stars
1 Review

Ideal for high-traffic wilderness areas.

Whether you're backpacking across The Range of Light or exploring Olympic National Park, you'll want the MSR Miniworks Ex Purifier System when you're filtering water in popular wilderness areas. The kit includes MSR's compact, lightweight Miniworks filter to eliminate 99.9% bacteria, protozoa, and particulate matter, but when the risk of viral contamination is also a concern, simply add the included chlorine-based Aquatabs to eliminate viral pathogens.


  • Comprehensive water filteration system for backpacking and travel
  • Miniworks filter purifies water at a rate of one liter per minute
  • Ceramic and carbon filter cleans water without altering taste
  • Included Aquatabs eliminate viruses without iodine
  • Filter can be cleaned in the field without any additional tools
  • Item #CAS00CK

Tech Specs

Purifying Element
ceramic plus carbon, chlorine-based Aquatabs
99.9% bacteria, 99.9% protozoa, 99.9% particulates, 99.9% viruses (with Aquatabs)
Pore Size
0.2 microns
Cartridge Life
~2000 liters
1 liter per minute
Field Cleanable
MiniWorks purifier, Aquatabs purification tablets
[width] 2.75in
Claimed Weight
Recommended Use
backpacking, travel
Manufacturer Warranty
limited 3 years

Overall Rating

5 based on 1 ratings

Review Summary

5 Stars - 1 reviews
4 Stars - 0 reviews
3 Stars - 0 reviews
2 Stars - 0 reviews
1 Stars - 0 reviews

Fits Small

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