Hayward W3DE4820 Pro-Grid DE Pool Filter

Hayward Pro-Grid DE Pool Filter W3DE4820Pro-Grid vertical grid D.E. filters provide superior water clarity, efficient flow and large cleaning capacity for pools and spas of all types and sizes. Constructed with high-strength reinforced thermoplastic.Combines high-technology features and "service-ease" design for an unparalleled filtration value for both new pool and aftermarket installations. In addition, Pro-Grid delivers low maintenance and dependable operation.Features:Reinforced thermoplastic filter tanks constructed from durable glass reinforced co-polymer to meet the demands of the toughest applications and environmental conditions, including in-floor cleaning systemsSelf-Aligned tank top and bottom make access to servicing the grid elements fast and simpleHeavy-duty, tamper-proof one-piece flange clamp securely fastens tank top and bottom, allowing for quick access to all internal components without disturbing piping or connectionsHigh impact grid elements designed for up-flow filtration and top-down backwashing for maximum efficiencyIntegral lift handles and uniform low-profile base make removal of grid nest fast and simpleInlet diffuser elbow distributes flow of unfiltered water evenly to all filter elements and provides even distribution of D.E. to grids48 ft filter allows for both commercial and large residential applications and years of non-corrosive, trouble-free performanceNew High capacity, rapid release manual air relief valve bleeds air with a quick quarter turn of the lever.(Valve not included)Manufactures one year warranty