Sand Filter Pump is ideal for 4.9m diameter pools and 5.49m x 2.75m rectangular pools. With a system flow rate of 1,050 gallons per hour, this pump will keep your pool water circulating so it retains its clarity and cleanliness. With its 6-function control valve, you can easily filter, backwash, rinse, recirculate, drain, and close the system. It has a 24-hour automatic timer to help ensure the pump operates when it should without the need to continually turn it on and off.