Osprey Hydraulics 3 Liter Reservoir – HydroStatic Backerplate High-Capacity Hydration Bladder

Maximum Hydration for the Long Haul

Stay hydrated on your most demanding treks with the Osprey Hydraulics® 3L Reservoir. Designed by Hydrapak for large volume packs, this reservoir ensures you have a consistent water supply during long-duration activities without the bulk. The sleek blue and translucent design allows for easy water level monitoring while providing a rugged, trail-ready build.

Precision Design & Stability

The standout feature is the rigid HydroStatic backerplate, which provides the necessary structure to slide a full reservoir into a packed bag easily while maintaining a flat, comfortable profile against your back. No more bulging or discomfort on the trail.

• Hydrostatic Backerplate: Maintains a flat profile and makes loading into full packs effortless.
• Slide-Seal Top: Wide-mouth opening for easy filling and a watertight seal for leak-proof performance.
• Magnetic Bite Valve: Includes a magnet clip for your sternum strap, ensuring the hose stays in place and water is always within reach.
• QuickConnect System: Allows for easy removal of the hose and reservoir for fast refilling or filtering.
• Hydrapak Blaster Valve: Delivers fast, smooth water flow with a simple 1/4 twist on/off locking mechanism.

Technical Specifications

• Brand: Osprey
• Capacity: 3 Liters / 100 oz
• Material: BPA-free, Phthalate-free, Lead-free, FDA Food Safe
• Colorway: Clear/Blue with Grey Backerplate