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Condition:
NewNew
FLUIDMASTER FLAPPER VALVE DIAPHRAGM SEAL. One of the unique features of these flapper valve and seals is the ability to adjust how much water is flushed. Simply turn the dial left for more water, and right for less water – helping save water and improve flushes.
I fitted a Fluidmaster valve to my cistern many years ago. Like all valves they eventually fail, but the big advantages of this design is that they are cheap and can be replaced in seconds.