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The Osprey Hydraulics® LT 1.5L Reservoir by Hydrapak is the perfect choice for those who prioritize weight and balance when engaging in lightweight activities. It has been constructed with twin-welded chevron baffles to provide stability of the water and maintain a flat profile. The sleek design of this reservoir also allows for easy insertion into an internal hydration sleeve. Every part is crafted carefully, guaranteeing that it is free from BPA, phthalates, and lead, and certified food safe according to FDA & EU regulations - thereby making filling up, cleaning, and staying hydrated on the trail hassle-free!

  • Twin Baffles - Twin-welded chevron baffles stabilize the water and maintain a flat profile.
  • Slide-Seal - Easy Slide-Seal top opening, seals watertight and provides wide access for easy filling and cleaning
  • Pour Shield - Pour shield extends the collar to ease filling in shallower sinks and control pouring into pots or bottles
  • Carry Handle - The Carry handle allows easy reservoir management and filling
  • Magnetic Bite Valve - Magnet clip attaches to the reservoir hose and pairs with the included sternum strap magnet for easy water access and hose management
  • Hydrapak Blaster - Hydrapak Blaster bite valve offers fast, smooth water flow with a ¼ twist on/off switch
  • QuickConnect System - The QuickConnect system allows easy removal/filling of the reservoir and filtering in the backcountry


  • Volume: 51 IN3 / 1.5 L
  • Dimensions: 32H X 19W X 4D CM
  • Weight: 0.16 KG