Fil-Fresh Pool Filter Cartridge Replacement for Hayward Pleatco PA Series, PA81 PA90 PA100N PA120 PA131 PA150 PA175 PA200S, High Efficiency Pool Filters Multiple Sizes. All manufacturers’ names and part numbers are used for compatibility information only. This pool filter cartridge is designed for high-efficiency water filtration and wide compatibility with popular Hayward and Pentair pool systems. It replaces multiple part numbers including C3030, C5030, C1750, C200S, PA81, PA100N, and CC150 series, making it a versatile and cost-effective solution for pool maintenance. Built with premium spunbond polyester and a durable inner core, the filter captures up to 3x more debris such as leaves, hair, sand, and oils, ensuring crystal-clear pool water. NSF/ANSI 50 certified materials guarantee safe use and reliable performance for residential and commercial pools. The pleated design increases filtration surface area while maintaining strong water flow, reducing pump strain and extending filter lifespan. Easy to install, clean, and reuse, this cartridge helps reduce maintenance costs and supports eco-friendly pool care.