Intex 28635EG Krystal Clear Cartridge Filter Pump for Above Ground Pools, 1500 GPH Pump Flow Rate, 110-120V with GFCI Specially designed for above ground pools. For use with Intex Easy Set pool models 18, Frame pool models 16 or 18, Oval Frame pool models 20 X 12. Easy installation  just attach hoses and plug in (Partial assembly required). System flow rate: 1,180 gph (2,839 lph). Pump flow rate: 1,500 gph (3,785 lph) Double insulated pump. Auto timer with preset 2 to 12 hour cycles. Air release valve for air trapper inside filter chamber. Sediment flush valve. Includes one easy to clean, replaceable filter cartridge. For best results, replace filter cartridge every 2 weeks. Replacement cartridge: Type A/C. Note: plunger valves and 1  (38mm) inlet/outlet fittings not included.