Danner ProLine High-Flow Submersible Water Pump 1/2 HP 4800 GPH Solids Handling
They each feature a vortex impeller for increased torque flow which eliminates clogging and binding made of F.R.P (fiberglass reinforced plastic) for minimal abrasive wear. 4800 Gallons per Hour Flow Optimal Rate @ 10' ft of Head Height.