HydraPak Seeker 4L Collapsible Water Container - 140 fl. oz.

Color: Mammoth Grey
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Go the distance with the high-capacity HydraPak Seeker 4L collapsible water container. Its flexible handle allows for easy pouring and carrying, and it easily fits in or lashes on to your pack.

  • Features

    • You can freeze it to use as an ice pack or fill it with hot water to keep you warm (max temp 60° C / 140° F)
    • Flexible design makes it so light and compact, you'll forget it's in your pack
    • 2 load-bearing side lash points for attaching to your pack or setting up a gravity feed
    • Made of ultra-durable, abrasion-resistant TPU and RF-welded seams for superior durability and elasticity; materials are BPA- and PVC-free
    • Low-profile, durable, coated handle allows for easy pouring and is tear- and weather-resistant
    • Large 42 mm screw cap opening makes it easy to fill and the rigid rim allows for easy pouring; removable tear-resistant tether prevents cap loss and functions as a carry loop
    • External capacity gauge allows you to track your hydration intake or measure out the contents
    • Fold or crush to collapse down and pack into the included storage bag
    • Backcountry water filter compatible; Katadyn BeFree filter (not included) screws onto the top, allowing you to filter more water at camp
    • Can be used as a hydration reservoir or paired with a Plug-N-Play cap and 28 mm filter adapter (not included)


    View all HydraPak Water Storage Bags
  • Technical Specs

    Best Use


    Liquid Capacity (L)

    4 liters

    Liquid Capacity (fl. oz.)

    140 fluid ounces






    16.5 x 5.9 inches

    BPA Free



    3.7 ounces

  • Reviews
    26 reviews with an average rating of 4.2 out of 5 stars

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