Keep your inflatable pool clear with this set of 9 replacement filter cartridge Suitable for all users of inflatable pools, whether at home or in resorts, hotels, and other public places Perfect for those who have high standards for water, such as children, individuals with sensitive skin, and those who are sensitive to water Made from filter paper, these cartridges efficiently impurities and particles, ensuring a clean and clear water Whether it ' s for your family ' s backyard pool or a public water park, these replacement filter cartridge safe and hygienic water for a refreshing swimming