Osprey Hydraulics Lumbar 1.5L Replacement Reservoir. Innovative hydration reservoir that maintains its shape ideal for large volume packs and long duration activities.

Hydrostatic Backerplate provides structure to reservoir allowing it to easily be shoved into a loaded pack and provides a flat profile

Easy slide top opening seals watertight and provides wide access for filling and cleaning

Pour Shield extends the collar to ease filling in shallow sinks

Carry handle

Magnetic bit valve

Hydrapak blaster bit valve offers fast smooth water flow with 1/4 twist on/off

Quick connect system allows for easy removal of reservoir