Campania #10 Stopper for Fountains10 Stopper for Campania International Fountains The most common stopper for the Campania International Fountains. The single hole #10 Stopper is made to accommodate the pump cord and fits in the bottom basin of the fountain. The stopper has a small slit on the side of the rubber that allows the cord to pop into place before being inserted into the basin hole. Once in place the Stopper can be pressed into the hole with the butt end of a screwdriver.