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Hydra Pak Seeker 4L



  • Low-profile, durable, coated handle for easy pouring and carrying – tear & weather resistant.
  • Leakproof 42mm screw cap with tear resistant, removable tether.
  • Compatible with 42mm threaded backcountry water filters, the Katadyn, BeFree Filter screws on to the top allowing you to filter more water at camp.
  • Large 42mm opening makes it easy to fill and tethered screw cap prevents cap from getting lost – creates a convenient carry loop for holding the Seeker upright when filling.
  • Two load bearing side lash points, for attaching to your pack or setting up a gravity feed.
  • External capacity gauge allows you to track your hydration intake or measure out the contents.
  • Versatile design, can be used as a hydration reservoir or paired with a Plug-N-Play Cap and 28mm filter adapter.
  • Made of ultra-durable, abrasion resistant TPU & RF welded seams for superior durability and elasticity.
  • Can be frozen or filled with hot water (max temp 60° C / 140° F).
  • Safe and reliable,100% BPA & PVC free

Technical Specs:

  • Capacity: 4000ml / 140 fl oz
  • Dimensions: 420 mm x 150 mm / 16.5 in x 5.9 in
  • Weight: 104 g / 3.7 oz
  • Material: TPU, PP, Nylon
  • Temperature:Max 60°C / 140°F