• Keep your pool crystal clear and free of impurities with SOKANA filters, which remove hair, leaves, deposits, sand, dust, dirt, oils, body lotions, and bacteria. • Compatible with a wide range of models, including Pleatco PRB50-IN, Unicel C-4950, Guardian 413-212-02, Filbur FC-2390, and many more. Check your model's specifications to ensure compatibility. • Easy to install: simply place the cartridge in the pump and enjoy clean water for approximately two weeks before replacing it. • Made with ultra-resistant plastic and Dacron filter material, these filters are easy to clean and guarantee durability and resistance. • The package includes 2 SOKANA pool filters. Measurements: 13.3 x 5 inches (33.8 x 12.5 cm), approximate internal diameter: 2.12 inches (5.4 cm).