MSR MiniWorks EX Purifier System

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Get the added viral protection that’s critical in popular wilderness areas and developing countries with this comprehensive purifier and microfilter system. The MiniWorks®Microfilter—our best-selling filter for demanding conditions—utilizes a ceramic/carbon element to filter out waterborne bacteria and protozoa, as well as particulate, taste and odors at 1 liter per minute. When viruses are a concern, the chlorine-based Aquatabs® purification tablets add viral defense. Together they provide the most reliable water possible in a compact, lightweight system that’s great for backpacking and international travel. This system meets U.S. EPA requirements for microbiological water purifiers.

  • Effective Against Viruses (99.99%), bacteria (99.9999%), protozoa (99.9%) and particulates
  • Meets U.S. EPA drinking water standards* and NSF protocol P231 testing standard
  • Iodine-Free, Aquatabs tablets inactivate viruses without bad-tasting iodine
  • Includes 50 individually packaged tablets
  • Each tablet treats up to 2 quarts of water depending on conditions
  • Reliable filter’s durable ceramic/carbon element
  • Ensures safe, taste-free water—even with frequent, heavy use
  • Field-maintainable filter can be cleaned repeatedly for full flow recovery with no tools required
  • *U.S. EPA Guide Standard and Protocol for Testing Microbiological Purifiers
  • SKU: 56431
  • Weight (Standard): 1 lb
  • Weight (Metric): 0.46 kg
  • Width (Standard): 2.75 in
  • Width (Metric): 7 cm
  • Length (Standard): 7.5 in
  • 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: Yes
  • Filter media: Ceramic Plus Carbon
  • Filter pore size (microns): 0.2
  • Flow (L/min): 1 liters per min
  • Flow (strokes per liter): 85
  • Field cleanable: Yes
  • Field maintainable: Yes
  • Water Bottle Adapter: Yes
  • Material(s): Ceramic
  • Country of Origin: Made in the U.S.A. of U.S. and Imported Materials