Features: Elevates your spa experience with our Scum Balls, the solution for maintaining original water quality in hot tubs and spas. These reusable scum balls is crafted from sponge materials that effectively absorbs oils, lotions, and debris, ensuring your filter works less and lasts longer. Suitable for spa owners, hotel maintenance staff, and swimming club managers seek a simple yet effective methods to enhances pool cleanliness. Whether a relaxing evening soak in your home spa or managing the hygiene of a commercial hot tub, these scum absorber balls is multifunctional for any setting. Dives into a cleaner, more enjoyable environment as our scum balls work tirelessly to eliminate unwanted scum and dirt, keeping your water inviting. Specifications: Component:Sponge Size:Approx.7.5cm/2.95inches Type:4Pcs/8Pcs Package Includes: 4/8Pcs Pool Scum Balls note: Please allow 1-2cm error due to manual measurement. Please make sure you will not mind before you bid. Due to the differences between different monitors, the picture may not reflect the actual color of the item. Thanks!