Hydraulics Lumbar 1.5L Reservoir

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The new Osprey Hydraulics™ reservoirs up the performance ante with new features to improve handling, reduce weight and simplify operation. The wide-mouth top opening simplifies filling and cleaning. It folds closed and is secured with a patented slider that creates a strong, leak-proof seal. To top it all off, the new design reduces weight by 20% to 30% over the previous generation.
Osprey Packs
Volume50 fl oz / 1.5 L
Weight5 oz / 140 g
Dimension8 x 14 x 2.5 in / 20 x 35 x 6 cm
  • Open hook on slider simplifies hanging in any pack
  • Magnetic clip secures hose to sternum strap quickly and easily
  • Highly durable TPU film is flexible, resilient and BPA/PVC-free
  • Radio frequency welded seams are bonded at the molecular level, ensuring reliable performance
  • Dishwasher safe (top rack)
  • Easy Slide-Seal™ top opening, seals watertight and provides wide access for easy filling and cleaning
  • Hose clip magnet attaches to included webbing strap magnet for easy water access
  • Hydrapak Blaster™ bite valve offers fast, smooth water flow with a ¼ twist on/off switch
  • Twin-welded circular baffles stabilize the water and maintain a flat profile