This product is a floating pool filter sponge ball, specifically designed for water filtration and cleaning functions within swimming pools. The item features a 3-inch reusable sponge construction that remains buoyant, offering a simple spherical shape for straightforward positioning in water zones. Position the sponge ball directly into the pool's water area for routine maintenance. There are no complicated installations required; it works well for general pool water care activities. It helps remove impurities through filtration processes to keep water clean. This product is ideal for supporting regular pool maintenance for optimal water conditions. After use, store the sponge ball dry to ensure reusability. The package typically contains one sponge ball as displayed.