The Pure Pleatco PRB25-IN Filter Cartridge is a new, sealed package designed for use in pools and hot tubs. Made by the trusted brand Pleatco, this filter cartridge is specifically designed to effectively filter out impurities and contaminants from the water, ensuring a clean and safe swimming experience. Perfect for regular use in maintaining the water quality of your pool or hot tub, this cartridge is a reliable and essential component for any pool equipment and parts collection.