Ensure to keep your pool water clean and crystal clear all summer long. With the 8-pack Bestway Replacement Filter Cartridge, cleaning and maintenance work is made easy. These specific replacement cartridges measure 5.6 inches long by 10 inches tall and are designed for filter pumps that utilize Type IV or 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. When you maintain your pool's filter, the water in your swimming pool stays attractive and fresh all summer long, which makes it all the more enjoyable for your family and friends. For optimal performance, trust these pool cleaning cartridges with 2500-gallon filter pumps. Whether you're a pool enthusiast or a casual swimmer, these cartridges are recommended to keep your pool water sparkling and clear, providing an enjoyable environment for all. Ensure the long life of your backyard swimming pool and filter pump by replacing the filters regularly. For best performance, it's recommended to replace your pool filter cartridge once every 2 weeks. Sustainability meets convenience with this reusable filter cartridge, and cleaning is a breeze. Simply remove the filter from the pump and give it a quick spray with a garden hose. With the 8 packs of Filter Cartridges from Bestway and proper upkeep, your pool can last year after year.