Welcome! Features: 1. High-Flow Core Design: Our high-flow core is designed to support the filter while providing ample flow and reducing pump wear. 2. Washable Pleated Fabric: Durable and washable pleated fabric retains its strength even when loaded with sediment. The size is 108 x 74 mm / 4.3 x 2.9 in. 3. Easy to Clean: Simply scrub with the filter cleaning tool, then wash under strong water pressure to remove loose particles from the filter cloth. 4. Innovative Technology: The innovative dirt-locking technology allows the cloth to absorb more contaminants than ordinary cloths. 5. Applicable Scenes: This filter cartridge is used in hot tubs and swimming pools to effectively remove hair, leaves, dust, sediment, sand, etc. 6. Timely Replacement: For maximum efficiency, it is recommended to clean the filter cartridges weekly and replace them with a new filter every two weeks. Specification: Item Type: Pool Filter Cartridge Material: PP Color: As shown in the pictures Weight: Approx. 230g/8.1oz Product Size: Approx. 108 x 74mm/4.3 x 2.9in Application: Suitable for hot tubs, spas, wading pools, etc. Package List: 2 x Filter Cartridges **NOTE** If you have any questions, please feel free to contact us via MESSAGES for assistance as soon as possible. Seller Warranty: 7 days