Ensure to keep your pool water clean and crystal clear all summer long. With the 6-Pack of Bestway Replacement Filter Cartridge, cleaning and maintenance tasks will be much simpler. These specific replacement cartridges measure 5.6 inches long by 10 inches tall and are designed for filter pumps that utilize Type IV or Type B cartridges. Equipped to sift out the debris and dirt in your above-ground swimming pool, these filters allow the pump to refill your pool with cleaner water. Maintaining your pool's filtration enables you, your friends, and your family to enjoy swimming while keeping it neat and fresh during the summer. Continue the long life of your backyard swimming pool and filter pump by replacing the filter regularly. Providing an excellent replacement for your old or worn-out filter cartridge, the 6-Pack of Bestway Filter Cartridge Type IV or Type B keeps your pool clean and crystal clear for safe and relaxing swims.