Looking to replace or upgrade your ALPS Reservoir 3.0 Bite Valve the new Magnetic Replacement Bite Valves designed specifically to work with the ALPS Reservoir 3.0 are the perfect replacement to the reservoir's standard bite valve. The simple push-button shutoff bite valve makes getting water easy when you need it, and stops water flow when you don't. No more tedious clipping and unclipping, the replacement bite valve features a magnetic tethering system for holding your tube securely in place. Find more of the highest quality in camping, hiking, and outdoor gear from ALPS Mountaineering here.