Zurn P6003-A-AA-CP 3/4" x 9 Flush Tube/Vacuum Breaker w/Nut-CP Flush Valve Parts 3/4'' x 9'' Vacuum Breaker Flush Tube With Nut For use in Zurn AquaVantage /Aquaflush & Sloan Royal / Regal valve bodies 3-year warranty