MSR MiniWorks EX Water Filter

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The compact MSR MiniWorks EX water filter with EX technology has been proven reliable by thousands and thousands of adventurers around the world.

  • Features

    • Ceramic/carbon Marathon™ EX element effectively removes bacteria and protozoa including giardia and cryptosporidia
    • Also removes unpleasant tastes and odors caused by organic compounds, such as iodine, chlorine and pesticides
    • Filter can be cleaned over and over for maximum field life with no tools required
    • AirSpring Accumulator™ increases filtration speed up to 1 liter per min.
    • Bottom screws onto an MSR Dromedary® Bag or Nalgene® water bottle for easy operation (both sold separately)
    • Easy disassembly lets you troubleshoot and maintain the MSR MiniWorks EX filter in the field

    Made in USA.

    Weight reported dry, without accessories.
    View all MSR Pump Water Filters
  • Technical Specs

    Best Use


    Filter Type


    Filter Medium

    Ceramic with carbon core


    Protozoa And Bacteria

    Pump Force

    10.4 pounds

    Pump Strokes per Liter



    1 liters per minute

    Housing Material


    BPA Free


    Field Cleanable



    7.8 x 3.8 inches


    14.6 ounces

  • Reviews
    522 reviews with an average rating of 4.0 out of 5 stars

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