Features1Collect Debris and Contaminants: Pool filter cartridge effectively collects large amounts of debris or other contaminants for cleaner water and smoother operation. 2Reusable Feature: Simply rinse the sediment with water for reuse, easily lasts a long time before the filter cartridge needs to be replaced. 3Replace in Time: For maximum efficiency, it is recommended to clean the filter cartridges weekly and replace them monthly or sooner. 4Scope of Application: Pool filter cartridge replacement is suitable for hot tubs, spas, children's pools, etc. It is portable and easy to use. 5Easy to Clean: The filter cartridge is easy to clean, so you'll spend less time cleaning, and more time swimming. Filter cartridge size is 108x95mm / 4.3x3.7in.SpecificationItem Type: Pool Filter CartridgeMaterial: PPColor: As Pictures ShownWeight: Approx. 260g / 9.2ozProduct Size: Approx. 108x95mm / 4.3x3.7inApplication: Suitable for Hot Tubs, Spas, Children's Pools, etc.Package List2 x Filter Cartridge