Feature: 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 / 4.3x2.9in. 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. Specification: Item Type: Pool Filter Cartridge Material: PP Color: As Pictures Shown Weight: Approx. 230g / 8.1oz Product Size: Approx. 108x74mm / 4.3x2.9in Application: Suitable for Hot Tubs, Spas, Children's Pools, etc.. Package List: 2 x Filter Cartridge