Features1Convenient to Clean: Simply rinse the sediment with water for reuse, easily lasts a long time before needing to be replaced. 2Good Performance: Adopt advanced three leaf fabric to effectively collect large amounts of debris or other contaminants, making the water cleaner and running smoother. 3Replace Once A Week: For maximum efficiency, clean cartridges once a week and change them monthly or earlier. Maintain the performance of the filter to provide you with clean water. 4Widely Use: The swimming pool filter is suitable for hot tubs, spas, children's pools, etc. Meeting your relaxing swimming requirements in different places. 5Strong Compatiblity: Compatible with for Pleatco PRB50?IN, for Unicel C?4950, for SD?00201, for SD?00455, for Aladdin 15002, for 25391, for PLE?051?0088, for PLE?051?9180, etc.SpecificationItem Type: Spa FilterMaterial: PPWeight: Approx. 602g / 21.23ozProduct Size: Approx.335x125mm /13.19x4.92inApplication: For hot tub, spa, children swimming pool, etcPackage List1 x Pool Filter