Xtremepowerus 700g Sand Filter Ball Polysphere Cleaning Swimming Pool Water

The filter media ball can perfectly replace sand for pool filters, 1.5 pound filter ball equals 50 pounds of sand. They require less backwashing for maintenance purposes, and has a strong filterability, won’t clog your filter, eco-friendly. Can reusable, you can clean the dirt on the surface of the filter ball after used, and then make it dry, it can be used again. If properly maintained, it can be used for a long time.