Camco Rhino Blaster Pro w/Gate Valve [39085]Rhino Blaster Pro with Gate Valve The Rhino Blaster Pro Tank Rinser latches securely onto your RV sewer outlet. The 45 degree angle allows water to blast directly into the outlet, rinsing out residue. Blaster Pro Tank Rinser features a clear elbow to see when the water runs clear. A gate valve prevents waste from flowing through the hose until done rinsing the tank, and the vacuum breaker prevents backflow into the water hose. Additional features