New and improved!

UD’s design highlights essential features; it won't leak and it's much easier to fill and clean.



  • The reservoir can be removed and filled while leaving the hose threaded through the pack
  • Reservoir can be turned inside-out for easy cleaning
  • The opening automatically shuts off when the hose is removed
  • Smooth inside, for easier cleaning
  • Slightly smoother outside, to slip in and out of packs
  • BPA Free
  • Top closure is fold-over and slide-closed resulting in never leaking and opens fully for cleaning
  • Utilizes a hose which incorporates an on/off bite valve



Weight: 123 g

Volume: 2 L

Materials: FDA-approved Thermoplastic PolyUrethane (BPA-free)

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