Unlike other hydration reservoirs on the market, the Alps Mountaineering Hydro 3.0 Reservoirs Ultravalve has a built-in check valve to prevent backwash and air from entering the tube and reservoir for clean, easy drinking. IonPure treatment helps prevent the growth of bacteria and mold. Insulated drink tube with 360 rotating clip ensures comfortable sipping from any angle. Mouthpiece twists open for no-bite drinking. The BPA- and PVC-free reservoir holds up to 3 liters. Dual cap ensures easy filling. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Hydration Packs.
