Name: Type H Pool Filter Color: Blue and White Material: 100% Polyester Fiber Outer Diameter: 3.6 inch Inner Diameter: 2 inches height: 4 inches Package includes: 4 pieces / 2 spare pieces for type H filter cartridges. (Please refer to the correct selection) 1.Replacement filter pump cartridge for Intex 28601 and 28602 2.The media with the highest fiber count can hold more dirt. 3. Better flow, increases filter life. 4. Longer Life - Reduced cleaning frequency and longer life 5. Inhibit the growth of bacteria during the service life of the product. Describe: The filter media is made of PP polyester fiber cloth, which has good mechanical and solar properties , high temperature resistance and is unaffected by strong acids. The port is injection molded, with a thicker, high-strength filter membrane and stronger suction. The sealing is strong, the filter media, the middle rod and the end cover are glued together to ensure the sealing of the end cover. The pool filter's collapsible design