Product Description SwimClear filters provide the most energy efficient flow with no backwashing to save up to 2,500 gallons of water per year. The SwimClear filter provides a way to keep your pool crystal clear without pouring gallons of water into the environment. Its large-capacity cartridge means NO backwashing; instead, you just rinse the filter elements with your garden hose. Choose from a range of sizes for heavy-duty, dirt-holding capacity for extra-long cleaning cycles; this can translate up to an entire season without cleaning! Hayward Item Code: W3C3030 Features Efficient flow lowers cost of operation. Cleanable cartridge elements - no backwashing required. Saves water, heat, chemicals, salt and the environment! Superior water clarity delivers crystal clear water. Reinforced thermoplastic filter tanks made from extra durable glass reinforced co-polymer to meet the demands of the toughest applications and environmental conditions, including in-floor cleaning systems. Non-corrosive top closure plate prevents elements from lifting and allowing unfiltered water to by-pass into pool or spa during operation. 2″ full-flow internal piping and plumbing for less resistance to flow and maximum performance. Quad-Cluster of high-quality reusable polyester cartridge elements provide 225, 325, 425 or square feet of filter area for extra dirt-holding capacity and long, filter cycles. Full size 1 1/2″ integral drain allows for fast, 100% clean-out and easier flushing of tank. Hayward Genuine OEM Replacement Filter Element: CX580XREPAK4 Applications In-ground pools In-ground pool/spa combinations In-ground spas (residential or commercial SwimClear Multi-Element Cartridge Filter Literature SwimClear Multi-Element Cartridge Owner's Manual