1、High Flow Core Design: Our high flow core is designed to support the filter while providing flow rate and while reducing wear on the pump. 2、Washable Pleated Fabric: Durable and washable pleated fabric that retains strength even when loaded with sediment. Size is 108x74mm / 3x9in. 3、Easy to Clean: Just scrub with filter cleaning tool, then wash under strong water pressure to remove loose particles from filter cloth. 4、Innovative Technology: The innovative "dirt lock" technology makes the fabric absorb more pollutants than ordinary fabrics. 5、Applicable Scenes: This filter cartridge is used in hot tubs and pools to effectively remove hair, leaves, dust, sediment, sand, etc. 6、Replace Timely: For maximum efficiency, it is recommended to clean the filter cartridges weekly and replace with a new filter every two weeks. 2 x Filter Cartridge Item Type: Pool Filter CartridgeMaterial: PPColor: As Pictures ShownWeight: Approx. 230g  / 8.1ozProduct Size: Approx. 108x74mm / 4.3x 2.9inApplication: Suitable for Hot Tubs, Spas, Children's Pools, etc.