LifeStraw Peak Gravity Water Filter System - 3 Liters

Color: Dusty Mountain Blue
Choose a shipping method

Members get an estimated $6.60 back on this item as a part of your annual .

Members get an estimated $6.60 back on this item.
To buy,  sign in as an REI Co-op Member or join now.

Ultralight, durable and fully leakproof, the LifeStraw Peak Gravity water filter system lets gravity do the work to make up to 3 liters of clean water while backpacking, camping or traveling in an RV.

  • Features

    • Simply fill the water storage bag with dirty water, hang the bag up and let gravity do the work to make clean drinking water
    • Bag can also be used as a large squeeze bottle or a leakproof water storage container with the included leakproof cap
    • Filter component can also be used as a straw or screwed onto a standard water bottle (not included)
    • LifeStraw filter provides up to 3 liters of water per minute
    • 0.2-micron filter physically removes 99.999999% of all bacteria, such as salmonella, cholera and E.coli; removes 99.999% of all parasites; removes 99.999% of microplastics
    • Also removes silt, sand and cloudiness greater than 0.2 micron
    • Membrane microfilter lasts up to 1,000 gal. (4,000 L)
    • Custom backwash accessory provides great flow over the long haul
    • Meets U.S. EPA and NSF P231 drinking water standards for the removal of bacteria and parasites


    View all LifeStraw Gravity Water Filters
  • Technical Specs

    Best Use



    Filter Type


    Filter Medium

    Hollow-core membrane microfilter


    Protozoa And Bacteria


    101 fl. oz. per 60 sec.

    Housing Material

    Thermoplastic polyurethane

    BPA Free


    Field Cleanable



    12.48 x 7.87 x 2.36 inches


    8.1 ounces


    Contains recycled materials

  • Reviews
    173 reviews with an average rating of 4.7 out of 5 stars

    Loading Reviews...
  • Questions & Answers

    Loading Questions...