[Superior Filtration Performance]It effectively removes hair, leaves, dust, sediment, sand, etc., allowing you to enjoy clean water and relaxation in your pool and spa. [Economy-Saving Pool Filter]This product is only for reusable pool filter replacement paper, not a universal filter . The package contains only the pool filter paper, not the plastic mesh. [Replacement Pack]Includes 9 reusable pool filter replacement sheets, only suitable for Sibrun A/C type pool filter cartridges. Simply remove the from the water pump, peel off the and replace the filter paper, then reinstall the into the water pump. [Package List]9-sheet pool filter paper, suitable for Sibrun A, C, and III type reusable pool filter cartridges.