10 Best Cartridge Pool Filters 2026

Looking for a reliable and efficient way to keep your pool water crystal clear? Look no further than our top 10 selection of Cartridge Pool Filters in the Filters & Filter Media subcategory. We reviewed and scored many products in the Cartridge Pool Filters category, and found products ranging from a disappointing 0 up to an impressive 9.1. At the top of the list is the Guardian Filtration Products brand, with their Pool & Spa Cartridge Filter Replacement for Pleatco PRB25-IN, Unicel C-4326, C4326, and Filbur FC-2375. With its easy-to-clean 25 Sq. Ft. filter media, this product will keep your pool water sparkling clean all summer long. Don't settle for a lackluster pool experience - upgrade to Guardian Filtration Products and enjoy the luxury of crystal clear water.