Spend more time enjoying your pool with peace of mind knowing you have a quality Intex pool easy set type b replacement filter cartridge keeping it clean and clear all day. Constructed with 63 pleats made out of 13.5 square feet of heavier high-quality dacron for more efficient filtration. This filter cartridge was designed to keep your Intex or other compatible filter pumps running longer and stronger. Replace this filter cartridge every 2 weeks for peak performance. For the long healthy life of your pool, invest in this quality Intex pool easy set type b replacement filter cartridge and let it go to work for you. Intex