MSR Trail Base Water Filter Kit 4L


$219.95 CAD

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  •  To meet the needs of multi-activity backcountry adventurers, MSR set out to engineer the most versatile water filter ever. The Trail Base microfilter kit features modular components that allow it to be used as a gravity system at camp, a pocket-sized filter on the trail, or a fast-and-light reservoir when you need to carry clean water with you. Whether you’re hiking, biking or basecamping, the Trail Base water filter kit offers incredible flexibility and options, making it the one filter that truly adapts to your adventure and the filtration task at hand.

    Ships to Canada Only
    • Effective Against: Bacteria (99.9999%), protozoa (99.9%) and particulate. Hollow fiber filter meets U.S. EPA drinking water standards* and NSF protocol P231 testing standard.
    • Versatile: Modular components allow system to quickly and easily transform from a 2 or 4 L gravity system into a small trail filter and back.
    • Simple Transitions: Trail filter simply quick-connects into gravity system to create the complete gravity-fed filter system.
    • Complete Kit: Includes ultralight, durable clean water reservoir, which features our 3-in-1 cap for easy filling, drinking and pouring.
      *U.S. EPA Guide Standard and Protocol for Testing Microbiological Purifiers

  • Minimum Weight 1 lb 2 oz / 0.52 kg
    Length 12 in / 30.5 cm
    5 in / 12.7 cm
    Capacity 4L
    Effective against bacteria
    Effective against chemicals/toxins No
    Effective against particulate
    Effective against protozoa
    Effective against viruses
    Filter Media
    Hollow Fibre
    Filter pore size (microns)
    Flow (L/min)
    1 L/min
    Flow (Strokes/litre)
    Cartridge Life
    1500 L
    Field cleanable
    Field maintainable
    Water bottle adapter
    Cartridge replacement indicator