SLD 4000-7000 Adjustable Flow Pond Pump is a professional-grade, submersible pump made for continuous use in ponds, Pondless Waterfalls, and other water feature applications. Solids-handling, asynchronous motor technology provides superior reliability, reduced maintenance, and a maximum flow rate of 7,127 gallons per hour. The design allows the pump to handle solids effectively, resulting in less maintenance and trouble-free preformance. The included Smart Control Receiver includes an integrated control panel and makes it easy to control your pump with the Aquascape Smart Control App, including flow adjustment and customized scheduling. An optional Universal Remote for Adjustable Flow Pumps (item #45041) is available separately to allow wireless control without the use of a smartphone or tablet. The pump is also backed by a limited 3-year warrenty, ensuring year after year of reliable use.