Alvage Type A/C Cartridges - Type Ⅲ Cartridge for Above Ground Pool Filter Features Easy to clean and made of Dacron filter material. This Type A filter for Intex brand model number pumps. For best results, replace your filter cartridge with a new one every 2 weeks. Keep your pool clean and long-lasting for years to come. Perfect for Daily Cleaning to Keep Your Pool Filters Crystal Clear. Help You Gain More Enjoyment in Your Pools. Model: Type A/Ⅲ. Material Fiber Type: Trilobal Structure Fabric End Caps Material: BPA Plastic Size of Alvage Type A Cartritdges Replacement: Inner diameter：2 inches. Outer diameter: 3.9 inches; Total height: 7.8 inches. What You Will Receive? 2 x Type A/Ⅲ Filter Cartridges for easy set up pool Warm Tips: Manual measurement, please allow 1-3cm slight errors on size. The colors may exist slight differences due to different screens. Compatible with 59900E and 29000E. Type A Filter Cartridge Intex filter cartridges are made from Dacron material. They are easy to clean and to replace when necessary, usually after about two weeks. Look for the large A on the package to make sure you are getting the right size for your filter. For smaller pumps: 530 gallon per hour - 1,500 gallon per hour For filter pump item numbers: 58603, 58604, 56637, 56638, 56635, 56636 Replace filter cartridge with a new one every two weeks for best results