Using a very soft spring, this brush is absolutely perfect for cleaning all glass filter pipes. Especially useful on inflow pipes where pushing other brushes over and through the “arch” portion can be difficult, the Spring Washer moves easily and naturally all the way to the bottom. An absolute necessity for cleaning all glass filter pipes.
For optimum results, first soak glass product in a dilute solution of Superge and then clean with Spring Washer.
Spring Washer M is made for Lily Pipes and glass filter pipes 17mm and over.