Keep your above ground pool water clean, soft, and refreshing with the Krystal Clear Sand Filter Pump by INTEX. The sand provides excellent water filtration as the 6-function control valve allows the pool owner to: filter, backwash and rinse, recirculate, drain and close the system. The Krystal Clear Sand Filter Pump generates a pump flow rate of 1,500 gallons per hour, ideal for above ground pools. This pump requires virtually no maintenance except replacement of sand every 5 years.