Hayward DE4820 ProGrid D.E. Pool Filter, 48 Square Foot, Vertical Grid

Filter tank is constructed of Perma Glass XL, a glass reinforced copolymer, for the ultimate in strength, durability and long life. The filter features a "service-ease" design that boasts a heavy-duty, tamper-proof clamping system that allows for quick access to the filter grids for easy cleaning - all without disturbing piping or connections. It comes complete with a combination pressure and cleaning cycle indicator gauge, manual air relief and high-impact grid elements designed for up-flow filtration and top-down backwashing for maximum efficiency. Multi-port valve NOT included.