The Aqua EZ C860/PA80 cartridge filter is a high-quality pool filter made in the USA, with a capacity of 80 square feet. It features easy installation, saltwater compatibility, and easy cleaning, making it a convenient choice for both above and in-ground pools. The filter cartridges used in this system are the Unicel C8600, Haywood C800, and Star Clear II models, providing efficient and effective filtration for your pool or spa. Ideal for replacing Pleatco PA80, Haywood C800RE, and other popular filter models, this cartridge filter ensures clean and crystal-clear water for your swimming experience.