DEX4820DC filter grids Fit for Hayward Pro-Grid Filters | DEX4800?DEX4820, DEx4800 Filter?Filter Element Cluster Assembly Compatible with 48 Sq Ft Pool Filter Cartridge Replacement | Pre-Assembled ?Ready to Use?Pre-assembled at the factory for easy installation. The pre-assembled design of this DEX4800DC filter element assembly ensures professional-grade precision and prevents leaks caused by improper installation. Simply place it into the DE4820 filter housing and connect the hoses to complete the replacement—saving at least 30 minutes of installation time. Even beginners can handle it with ease.DE-Grade Precision Filtration ?DE-Grade Precision Filtration?Made from high-quality ABS material, our DE filter media efficiently removes various suspended particles and impurities from the water—including common contaminants such as hair, leaves, dust, and sand. With a filtration precision of 0.2–0.5 microns, it eliminates recurring cloudiness, ensuring your pool water remains crystal-clear and as clean as new. ?Precision Fit?Precisely fits Hayward 48 Sq Ft, DE Filter, DEX4820DC, DEX4800DC(DEX4820, DEX4800) and Hayward Pro-Grid models with perfect compatibility. Features a high-capacity quick-release manual air bleed valve—simply turn the quarter-turn lever to vent air. Heavy-duty, tamper-resistant one-piece flange clamps securely fasten the tank top and bottom; provides quick access to internal components without disturbing pipe connections. ?Washable and Reusable?The DEX4820 filter element features a high-strength polypropylene frame and tear-resistant filter media, ensuring long-lasting durability. Its unique design allows for easy removal and repeated rinsing; dirt is easily dislodged, restoring performance to like-new condition, significantly extending service life, and saving on long-term replacement costs. ?Energy Savings?A smooth filtration process reduces the operating pressure on the system’s pump, thereby saving energy. Reducing the load on the pump also extends the equipment’s service life, making the system more efficient and cost-effective—allowing you to achieve healthier, clearer water at a lower operating cost.