The POOLPURE PLFPJANCS150 Pool Filter is a high-quality filter cartridge designed to replace Jandy CS150 and CCX1500RE filters. Made with Trilobal Filtration Fabric, it offers a filtration area of 150 square feet, suitable for both above ground and in ground pools. With a top/bottom opening of 4 inches and an outside diameter of 8 15/16 inches, this filter is compatible with various brands such as Unicel, Ultral, Filbur, Hayward, and Jandy. It is easy to install, salt water compatible, and easy to clean, making it a convenient and efficient choice for maintaining clean and clear pool water.