Just relax in your pool, and let the Intex 330 GPH Filter Pump take care of the filtration. This cartridge filter pump is the best little work horse you'll find to keep your pool sparking clean. This pump is hassle-free and easy to install simply hook up the hoses. Release the air trapped inside the filter chamber with the air release valve, and plug the pump in for fresh, clean, filtered pool water. Equipped with the Ground Fault Circuit Interrupter, which is an added safety feature that shuts off the pump if electrical current is exposed to water. Use with a maximum pool size of 1,018 gallons. Give your Intex pool its best performance by using this genuine Intex Type H Filter Cartridge. They're easy to clean and made of Dacron filter material. Measuring 3.6 inches by 4 inches, this Type H filter fits Intex brand model number pumps 28601 and 28602. Replace the filter cartridge with a new one every 2 weeks for best results. Enjoy a summer full of fun by adding the Filter Pump with Filter Cartridges from Intex to your above-ground swimming pool.