Krystal Clear™ Sand Filter Pump - 1500 GPHKeep 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 built in 24 hour timer adds to the hassle free experience with maintaining a cleaner pool. The strainer basket provides easy cleaning, and prolongs the life of the