The Bestway FLOWCLEAR Filter Cartridge Type III (A/C) is a set of three filter cartridges designed for swimming pools. Compatible with brands such as Summer Waves, Coleman, Intex, Bestway, and Polygroup, these cartridges are easy to install and clean. With a height of 8 inches and a length of 4 inches, they are suitable for above-ground pools and are made in China. Perfect for maintaining clean and clear water in your pool, these cartridges are a reliable and convenient solution for pool filtration.