MSR Miniworks EX


The MSR MiniWorks EX is the best-selling portable water filter on the market, delivering long-lasting, fully field-maintainable water filtration. Its durable ceramic element ensures protection, pumps water for years, and can be cleaned repeatedly for full recovery, with no tools required for complete disassembly. The MiniWorks is also lightweight, compact, and, thanks to its innovative AirSpring Accumulator, capable of pumping one liter of water per minute.

Durable ceramic element ensures protection and will pump water for years.
Can be cleaned repeatedly for full filter recovery; no tools required for complete disassembly.
Fast Flow
AirSpring Accumulator increases filtration speed; up to 1 liter/minute.
Effective Protection
Removes bacteria, protozoa (including crypto and giardia), and particulate.
Better-tasting Water
Carbon core removes unpleasant tastes and odors caused by chemicals, such as iodine, chlorine, and pesticides.


Effective against protozoa: Yes
Effective against bacteria: Yes
Effective against viruses: No
Effective against particulate: Yes
Effective against chemicals/toxins: Yes
Width: 7 cm
Filter media: Ceramic Plus Carbon
Filter pore size: 0.2 microns
Flow (L/min): 1 liters per min
Flow (strokes per liter): 85
Cartridge life: ~2000 liters
Field cleanable: Yes
Field maintainable: Yes
Country of Origin: Made in Seattle, USA
Mechanical advantage: Yes
Water Bottle Adapter: Yes
Cartridge replacement indicator: Yes


  • Manufacturer: MSR
  • Mpn: 56425
  • Weight: 456g


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