Feature: 1. Convenient to Clean: Simply rinse the sediment with water for reuse, easily lasts a long time before needing to be replaced. 2. Good Performance: Adopt advanced three leaf fabric to effectively collect large amounts of debris or other contaminants, making the water cleaner and running smoother. 3. Replace 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. 4. Widely Use: The swimming pool filter is suitable for hot tubs, spas, children's pools, etc. Meeting your relaxing swimming requirements in different places. 5. Strong 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. Specification: Item Type: Spa Filter Material: PP Weight: Approx. 602g / 21.23oz Product Size: Approx.335x125mm /13.19x4.92in Application: For hot tub, spa, children swimming pool, etc . Package List: 1 x Pool Filter