Filter tanks are made from the most durable materials to meet the demands of the toughest applications and environmental conditions
High capacity, rapid release manual air relief valve bleeds air with a quick quarter turn of the lever
Heavy-duty, tamper-proof, one piece flange clamp securely fastens tank top and bottom and allows quick access to all internal components
Product Description 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. From the Manufacturer Hayward DE7220 Pro-Grid Vertical D.E. Filter, 72-Square Feet. Pro-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. Pro-Grid combines high-technology features and "service ease" design for an unparalleled filtration value for both New pool and aftermarket installations. Applications: In-ground pools, In-ground spas or in-ground pool/spa combinations