Keep your pool water Krystal Clear® and refreshing this summer with the Intex 1000 gph filter cartridge pump. Boasting a pump flow rate of 1000 gph and a system flow rate of 750 gph, this pump will circulate and filter the water in your above ground pool to keep everything clean, refreshing and fun. In addition, the maintenance for this pump is a breeze just the occasional cartridge rinse or swap to keep this pump running strong. This filter uses type A filter cartridges (Item #29000E) which should be changed every couple of weeks. This pump is a must have for any above ground pool up to 6000 gal.