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V-600-AA Royal Vacuum Breaker Assembly 1-1/2"x9" Sloan Flushometer OEM Chrome
What stands out about Isoflex NBU 15 is its long shelf life when stored properly.
V-600-AA Royal Vacuum Breaker Assembly 1-1/2 X 9 for Royal Flushometers
A nice benefit of this double ended tool is the balance it provides during use.