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Osprey's Hydraulics 3L Reservoir by Hydrapak is ideal for large volume packs and long duration activities. The HydroStatic backerplate provides structure for easy loading into a full pack and maintains a flat profile. Thoughtful design makes filling, cleaning and most importantly staying hydrated on the trail easier than ever. All parts are BPA-free, phthalate-free, lead-free, guaranteed. All materials are certified food safe according to FDA and EU regulations.
Hydrostatic Backerplate - Hydrostatic backerplate provides structure to shove a full reservoir into a fully loaded pack and maintains 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