The Mainstays 2-Pack TYPE A/C Pool Universal Replacement Filter Cartridge is designed for above ground pools, offering a convenient and reliable solution for maintaining clean and clear water. Made by the trusted brand Mainstays, these filter cartridges are suitable for both Type A and Type C pool filters, providing a universal fit for your pool equipment. With a height of 8 inches and a length of 4.2 inches, this set includes filters that are essential for keeping your pool water in optimal condition. Made in China, these cartridges are a practical and efficient choice for your pool maintenance needs.