12-pack of Intex Type H filter cartridges, which are suitable for Intex Easy Set pools using a 330 gallons per hour (GPH) filter pump. These cartridges are also compatible with filter pump models 28601 and 28602. Product features According to retailer listings, the Intex Type H filter cartridges offer the following features: Material: Made from Dacron filter material. Dimensions: Each cartridge measures approximately 3.6 inches x 4 inches. Maintenance: They are easy to clean and should be replaced with a new one every two weeks for optimal performance. You will receive exactly the same item Please check all pictures for more details Please check my other listings No returns and all sales are final! Please message me with any questions. Thank you for supporting my business.