Osprey's Hydraulics LT 1.5L Lumbar Reservoir by Hydrapak is made for those who prefer an off-the-shoulder hydration solution. Designed to fit in most lumbar packs, but perfectly pairs as an extra or replacement reservoir for Osprey's Seral lumbar mountain biking pack. Twin-welded chevron baffles stabilize the water and maintain 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. - Twin-welded chevron baffles stabilize the water and maintain a flat profile - Easy Slide-Seal top opening, seals watertight and provides wide access for easy filling and cleaning - Magnet clip attaches to the reservoir hose and pairs with the included sternum strap magnet for easy water access and hose management - Hydrapak Blaster bite valve offers fast, smooth water flow with a 1/4 twist on/off switch

Make any pack Hydraform Reservoir-compatible with Osprey's Hydraform Magnet Kit. This handy kit includes three detachable sternum-strap magnets.

Osprey’s Hydraulics 2L 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.

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.

Osprey’s Hydraulics Bite Valve provides a high-quality replacement for your old, neglected and beat up bite valve. The bombproof ¼ twist shut-off design guarantees you won’t experience any unpleasant leaks.

• Installs on any 1/4-inch (.635cm) hose for easy disconnect/connect. • Bonus extra male piece and hose to connect to water filters.

Replacing old bite valve sheaths helps maintain a sanitary hydration system. Osprey’s Bite Valve Sheaths provide a soft surface for your chompers to sink into when you’re hydrating on the fly. Also perfect for those who can’t help but chew through the bite valve like their old #2 pencils in high school.

Hoses need to be wrangled, lest they become too uppity. Osprey's Hydraulics Three-Magnet Kit will hold things together. This pack comes with 3 detachable sternum strap magnets, and it'll make any pack Hydraulics Reservoir compatible!