Package: 1 x Removable Pool Filter Cartridge, 5 x Filter Papers Dimensions: 108 x 108 x 203 m Inner Diameter: 44 mm New Design Solution: This pool filter element is removable and replaceable for repeated use. You only need to replace the filter paper regularly. The filter tray inside can be disassembled and used repeatedly (only replaced every two weeks) to filter spa pools. Powerful Filter Element: The pool filter cartridges are made of polyurethane + composite filter cloth, the certified safe material filter provides you with clean, fresh and clear water. Choose only certified filters for your home to ensure the safety, health and happiness of your loved ones. Highly efficient filtration: the filtration area is 5 square feet and the number of pleats is 70 + 2. The uniform and strong three-leaf fabric has a capacity of 21-40% compared to traditional dot fabrics. The trilobal shape of the fabric fibers also helps trap particles, increase efficiency without reducing pressure, and