HIGH EFFICIENCY: Anti-dirt technology makes the fabric capture more pollutants than ordinary fabrics, this filter can effectively remove hair, leaves, dust, sediment, sand, etc. MULTI FUNCTION: The filter can help the pool remove deposits and debris, remove particles, chemicals and metals, reduce substances that make pool water too thick by collecting pool mud. DETACHABLE AND REUSABLE: The filter cartridge is detachable, reusable, with high firmness, not easy to damage and not easy to age.