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Osprey Packs
Hydraulics 3L Reservoir

2 out of 5 stars
1 Review
Color:One Color



Why We Like The Osprey Hydraulics 3L Reservoir

Whether biking or hiking, we never leave without a hydration bladder in our pack. The Osprey Hydraulics 3L Reservoir is a premium choice for hydrating on the go, thanks to its easy-to-use system and ergonomic features. The Hydraulics 3L Reservoir has a Slide-Seal top for easy, efficient filling and secure closure. The QuickConnect System allows us to easily disconnect the tube and install a water filter when in the backcountry, and the Hydrapak Blaster bite valve has a fast water flow and an on/off switch. The Hydrostatic Backerplate gives the reservoir structure when filled to make installing it in a pack easier, and a magnetic clip on the hose that pairs with a magnetic clip on the shoulder strap keeps our hose and bite valve in place.


  • 3-liter hydration bladder that integrates with an Osprey pack
  • Slide-Seal top fill makes filling easier and a secure closure
  • Hydrpack Blaster bite valve is easy to use and has an on/off switch
  • Magnetic clip-on hose keeps the hose in place
  • QuickConnect System allows us to detach the hose and attach a water filter
  • Item #OSPZ1GK
TPU film
Responsible Collection
BPA-free, phthalate-free, lead-free
3 liters
QuickConnect system
Hydrapak Blaster w/ magnetic clip, on/off switch
15H X 7W X 3D IN
Claimed Weight
10.88oz (308.44g)
mountain biking, hiking

Overall Rating

2 based on 1 ratings

Review Summary

1 Stars - 0 reviews
2 Stars - 1 reviews
3 Stars - 0 reviews
4 Stars - 0 reviews
5 Stars - 0 reviews

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2 out of 5 stars

June 6, 2024

Arrived wtih defect

I've used it once or twice and have initial impressions
Size Bought:
3 liter

Seems like an excellent design. However, the one I received had a pin-hole behind the hard plastic handle and slowly leaked the first time I used it and soaked several things in my pack as well as my lower back etc. At first I thought I had incorrectly sealed the top or the hose connection, but when I squeezed a tiny jet of water squirted out of the hole. Was on an extended trip and never had time to return to backcountry.

Outdoor John