It is still on the go, and the best way to stop and start the water. I think most people are put off with the price, but it has to cost what it does, as these small valves are very expensive to buy,
Like I said earlier though, one trip home to refill could cost you more than the price of the brush. At around 15p a day it is not much, for one of the most important parts of your water fed pole system.
Peter