Osprey Hydraulics Reservoir - 2L - Blue Needs Images With two mechanisms made of

With two mechanisms made of anodized aluminium and a metal washer to hold the disc in place

Like the sound of that

000 710845680618 Revelation Dual Position Air/Motion Control DNA - 2012 - Full Service 11

of the highest grade

Osprey Hydraulics Reservoir - 2L - Blue Needs Images With two mechanisms made ofOspreys Hydraulics 3L Reservoir by Hydrapak is ideal for large volume packs and long duration activities. The HydroStatic backplate provides a 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