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MSR Guardian Filter Cartidge Replacement


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    For the exceptionally well hydrated.

    The hollow fiber filter in the MSR Guardian Filter Cartridge Replacement is meant to filter over 10,000 liters, but if you somehow surpass that, pick up the Guardian Filter Cartridge Replacement and enjoy another 10,000 bottles full of clean, clear, and crisp H2O.

    • Hollow fiber filter
    • Compatible with the MSR Guardian filter
    • Item #CAS006E

    Purifying Element
    hollow fiber
    protozoa, bacteria, viruses, sediment
    Pore Size
    0.02 micron
    Cartridge Life
    10,000+ L
    2.5 L / min
    Field Cleanable
    Recommended Use
    backpacking, camping
    Manufacturer Warranty
    limited 3 years

    Tech Specs

    California Proposition 65


    This product can expose you to chemicals including Styrene, which is known to the State of California to cause cancer. For more information go to

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