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Completely re-designed for this year. UD gave customers the new features they asked for - 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
Top closure is fold-over and slide-closed resulting in never leaking and opens fully for cleaning
Utilises a Hypervalve Hose which incorporates an on/off bite valve
Fluid Capacity: 70 oz / 2 litres