Splash Guard - Round Narrow 5.75 InchRound Narrow 5. 75 inch Splash Guard by Campania International Fountains are the foundation of a balanced garden. They establish a source of peaceful sounds and a place to cool down with a little splash of water. Fountain splashes can occur when the basin water level is incorrect or when there is a good deal of wind. The Round Narrow 5. 75 inch Splash Guard will help prevent water from evaporating too quickly. Made of cast stone, the Round Narrow 5.