The Poolman Pool Filter Cartridges are designed as a replacement for the Pentair Clean+Clear 100 pool filter. These cartridges are 10" in diameter and are specifically made by the brand Poolman. With a focus on providing clean and clear pool water, these cartridges are an essential component for maintaining a healthy and enjoyable swimming experience. Easy to install and effective in filtering out impurities, these cartridges ensure that your pool remains crystal clear and ready for use.