The Cryspool 07079 Pool Filter 4-Pack is a set of filter cartridges designed for use in home pools and spas. Manufactured by CRYSPOOL, these cartridges are compatible with Jandy CL340, CV340, PJAN85, and R0554500 models. With a focus on efficient filtration, these cartridges are a reliable choice for maintaining clean and clear pool water. Ideal for pool owners looking to replace their existing filters with high-quality cartridges that are specifically designed for compatibility with their pool equipment.