The Intex 1500 Gph Above Ground Pool Sand Filter Pump with Auto Timer provides cool, refreshing, clear water and less hassle every swim season.If you are tired of buying and replacing pool filter cartridges, this specific sand filter is for you. With virtually no maintenance, your sand pump only needs replacement every 5 years. Hydro Aeration Technology improves circulation and filtration, water clarity, and increases negative ions in the water.This sand pump features a powerful motor, 6-function control, and a built-in automatic timer. The built-in 24-hour timer adds to the hassle-free experience of maintaining a cleaner pool, while the strainer basket prolongs the life of the sand. Ideal for above-ground 2,800 to 8,400-gallon pools, this Krystal Clear pump generates a pump flow rate of 1,500 gallons per hour.