Duplex 4-inch self priming wastewater package designed for 125GPM at 31’TDH (each pump) with VFD controls. Clay-Greene Self Priming Pump Stations utilize direct drive pumps with VFDs for precise control of flow & re-prime capabilities. We offer cruise control for your station- match your field conditions to highest possible pump performance. Additionally, our controls allow for automatic speed increase at start up for the quickest priming around. Clay-Greene the ultimate utility for self priming pumps.