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MSRTrailShot Replacement Cartridge

MSRTrailShot Replacement Cartridge

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Compact filtration on the trail.

The MSR TrailShot Replacement Cartridge serves as a replacement to your TrailShot Microfilter, restoring flow rates after your previous filter cartridge is spent. This replacement cartridge filters up to 2000 liters of water before requiring a replacement and cleans one liter of water in as little as 60 seconds. It eliminates harmful contaminates, including bacteria, protozoa, and suspended particulates found in many lakes, streams, and waterways.


  • Replacement cartridge for TrailShot Microfilter
  • Filters out bacteria, protozoa, particulates
  • Lasts up to 2000 liters of water filtration
  • Cleans one liter of water in only 60 seconds
  • Includes cartridge, required parts, instructions
  • Item #CAS009P

Tech Specs

Purifying Element
hollow fiber technology
bacteria, protozoa, particulates
Cartridge Life
2000 liters
Field Cleanable
yes, shake to clean
TrailShot Cartridge, replacement parts, instructions
Recommended Use
hiking & camping, backpacking, ultralight backpacking
Manufacturer Warranty
limited 3 years

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