USWE Bite Valve Straight Bite Me, Bite You, Boom Boom This is the USWE Straight Bite Valve that is both standard for USWE's Helmet handsfree kit, but can also be used as a standard mouthpiece attached to their other hydration systems. The mouthpiece has a high-quality flow and performance. Features Designed for USWE hydration systems High flow and performance so you stay hydrated all the time Manufacturer's part number: 101002 | Uswe | Bite Valve Straight Red