The 2 Pack INTEX Type B Filter Cartridge (29005E) is designed for use in above ground pools. Made by Intex, these filter cartridges are essential for keeping your pool water clean and clear. With a height of 10 inches and a total length of 5.6 inches, these cartridges are compatible with Intex pools that require Type B cartridges. Easy to install and maintain, these cartridges provide efficient filtration to ensure a refreshing swimming experience in your backyard.