Features:1. Economical and Harmless: The sponge is crafted from eco-friendly materials, ensuring it will not pollute water and the environment, keeping your swimming pool or spa sparkling clean and clear day after day.2. Efficient Cleaning: This high-density swimming pool cleaning foam effectively removes large amounts of debris from the swimming pool, including leaves, hair, dust, sand, and other small particles, ensuring a clean swimming area.3. Time-saving and Labor-saving: Regular maintenance of the swimming pool includes replacing the filter element. This reusable and washable hot tub cleaning tool is easier to clean and maintain compared to traditional paper filters, saving you considerable time and effort.4. Reusable: This foam filter is more durable than paper filters, featuring softness, repeated bending, good flexibility, and high resilience. It can be cleaned and reused multiple times. The filter element should be cleaned every two weeks or replaced once. Product lifespan is influenced by filter power, water temperature, and the use of cleaning agents.5. Compatibility: The swimming pool filter sponge is designed to fit certain brand A type pumps, with product dimensions approximately 7.87*3.94 in. Each order includes 3 swimming pool filter sponge elements. Please confirm its compatibility prior to purchase.Specifications:Material: SpongeColor: black, white, and blueSize: about 10*20cm (7.87*3.94 in), aperture approximately 4cm (1.57 in)Packing List: 3 pcs of Filter SpongeNotes: Please be aware that there may be color variations due to lighting effects and shooting angles. Manual measurements may result in size tolerances.