MSR Trail Base Gravity Water Filter System

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Incorporating 2 systems in one—a 2L gravity filter for camp, and the pocket-size TrailShot for on-the-go filtering—the MSR Trail Base Gravity filter system helps you go with the flow.

  • Features

    • Components allow system to transform from a 2L gravity system into a small trail filter and back
    • Kit includes: 1 TrailShot water filter (5 oz.) for on-trail use; two 2L MSR Dromedary bags to keep your dirty and clean water separate; additional hose for gravity filtering
    • Trail filter connects into gravity system to create the complete gravity-fed filter system
    • 3-in-1 cap allows simple filling, drinking and pouring
    • Effective against bacteria (99.9999%), protozoa (99.9%) and particulate
    • Hollow fiber filter meets U.S. EPA Guide Standard and Protocol for Testing Microbiological Purifiers and NSF protocol P231 testing standard

    Made in USA.

    View all MSR Gravity Water Filters
  • Technical Specs

    Best Use


    Trail Running

    Mountain Biking

    Filter Type



    Filter Medium

    Hollow fiber


    Protozoa And Bacteria


    32 fl. oz. per 60 sec.

    Housing Material


    BPA Free


    Field Cleanable



    12 x 5 x 2


    1 lb. 0.3 oz.

  • Reviews
    20 reviews with an average rating of 3.9 out of 5 stars

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