High-Quality Materials: Crafted from superior, highly elastic rubber (IIR), this seal is resistant to ozone and aging. Its durability ensures a reliable seal that maintains its integrity over time, preventing premature wear and tear.Enhanced Sealing Performance: Designed to offer exceptional sealing capabilities, this seal prevents water leakage effectively. It enhances the efficiency of your pool filter, ensuring it operates at peak performance without any disruptions.Broad Compatibility: Specifically made for Hayward Pool Filter Pro-Grid DE and SwimClear series. This versatile seal is a suitable replacement for models C2030, C3030, C4030, C5030, C7030, DE2420, DE3620, DE4820, DE6020, and DE7220.Regular Replacement for Optimal Performance: To maintain the effectiveness and efficiency of your pool filter, it is advisable to replace the seal every six months. Regular replacement prevents potential failures and ensures continuous, efficient operation.Assured Quality and Performance: Rigorously tested to meet high standards of compatibility and sealing performance. Our seals are guaranteed to fit perfectly and prevent any water leakage post-installation, offering peace of mind and reliability. Colour:blackMaterial:rubberDue to different batches, there may be differences in product appearance and printed text, which will not affect use Package Contents:1 * DEX2422Z2 seal1 * Lube(Random style, don't accept the specified style) Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.