INTEX 2500 GPH Filter Pump w/ GFCI & Klor-In Automatic Inline Chlorine Feeder Great for Intex 18' and 24' Easy Set pools, Frame Set pools, Ellipse Oval pools, Rectangular Frame pools and similar sized swimming pools from other manufacturers such as Sand-n-Sun and Aqua-Leisure This system has a flow rate of 1,900 gph and a pump flow rate of 2,500 gph. - Use with a maximum pool size of 12,481 gallons Intex has provided above ground pool owners with a low cost, low maintenance filter pump that will keep pools clean and comfortable for swimmers Significantly better mixing of chlorine throughout the entire pool than a floating dispenser This Klor-In model K507CBX features a nine tablet capacity - Uses 3-inch diameter tablets