GRUNDFOX 455100-25-BP 60 HZ SUBMERSIBLE GROUNDWATER PUMP END This item is new in an open freight worn box. Grundfos 98924059, Model 45S100-25, Series 45S-SP, 4" Submersible Well Pump End Only, 10 HP Required, 3450 RPM, 25 Stages, 2" NPT Discharge, 45 GPM Best Efficiency Flow, 720.94 ft Max. Head, 304 Stainless steel Grundfos