Keep your in-ground pool clean and sparkling with the Hayward W3DE6020 ProGrid DE Pool Filter. This vertical grid pool filter has a coverage of 60 square feet with high-impact grid elements that provide up-flow filtration and top-down backwashing for maximum efficiency. With a durable, glass-reinforced copolymer construction, this pool accessory ensures corrosion-free durability and will withstand the elements that make this diatomaceous earth pool filter built to last for a long time. Engineered with high-impact grid elements, the pool filter accessory provides up-flow filtration and top-down backwash. The highly efficient backyard pool essential offers large capacity performance for a variety of in-ground swimming pools or spas. Maintaining the pool filter is easy. The pool filter pump features a single-piece tamper-proof clamp that gives you quick access to internal components without interfering with plumbing connections for simplified service and maintenance.