My new water filtration setup. Filling my 3l bladder with filtered water from a 500ml soft flask without needing to remove it from my pack. : r/CampingGear
OSPREY Hydraulics 3L 100 oz Water Reservoir/Bladder Blue Reinforced Back USED | eBay
First Impressions: Osprey Hydraulics 3 Litre Bladder • Spotter Up
Osprey Hydraulics Water Reservoir / Hydration Bladder (2-3 Liters) 3L Blue Reservoir