LifeStraw Flex 2-Stage Multi-Function Water Filter System

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Configure the 2-stage LifeStraw Flex Dual Filter system in a variety of ways: by itself as a simple straw filter, as an in-line filtration system, as a hydration pack bladder or as a gravity filter.

  • Features

    • Turn nearly any disposable bottle into a powerful water filtration system by attaching the Flex onto the screw-top threads
    • Hollow-fiber membrane filters to 0.2 microns, removing 99.999999% of waterborne bacteria and 99.999% of waterborne protozoan parasites from up to 500 gallons of water
    • Replaceable, activated carbon capsule improves taste, removes odor and reduces organic chemical matter such as pesticides, herbicides and VOCs
    • Exceeds the NSF-42 standard for chlorine reduction and NSF 53 standard for reduction of lead and other heavy metals for up to 25 gallons
    • Includes a 2-stage filter, soft-touch water bottle and backwash syringe
    • For each LifeStraw purchased, 1 child in a developing community receives safe drinking water for an entire school year


    View all LifeStraw Straw Water Filters
  • Technical Specs

    Best Use



    Filter Type


    Filter Medium

    Hollow fiber membrane/carbon capsule


    Protozoa And Bacteria

    BPA Free


    Field Cleanable



    5 x 1 inches


    1.7 ounces

  • Reviews
    93 reviews with an average rating of 3.5 out of 5 stars

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