Alps Mountaineering Hydro Bladder Option:Default 4 position rubber wheel

4 position rubber wheel

Boston Valve For Quick And Easy Inflation And Deflation

and the rust resistant stainless steel blades are built to last

and with time to spare

and moisture

Alps Mountaineering Hydro Bladder Option:Default 4 position rubber wheelThe Reservoir 3. 0 is a 3 liter reservoir perfectly designed to pair with your ALPS pack. The Ultravalve on the Reservoir 3. 0 features a revolutionary articulating bit valve as well as a built in check valve that eliminates backwash and prevents air from entering the tube. It also has a feature that allows it to twist open for a no bite, full flow function. The anit microbial IonPure treatment helps prevent bacteria and mold growth. The Reservoir 3.