Goulds Water Technology Submersible Sewage Pump Series 3888D, Three Phase Pumps cast iron, two vane semi-iron, non-clog impeller with pump-out vanes for mechanical seal protection, heavy duty cast iron, volute type casing for maximum efficiency 2.5" solids handling capabilities designed for continuous operation. Will Ship Via Truck Line To A Commercial Address. See Requirements Residential Deliveries Incur Additional Charges.