The Little Giant 620221 WS50HAM-12-20 is an effluent pump. It is designed for continuous dewatering and water transfer applications. It is also recommended for effluent wastewater removal. This pump has a discharge size of 2" (51 mm) and it can handle up to 3/4" solids. It has a 1/2 hp oil-filled motor. This Little Giant 620221 WS50HAM-12-20 Effluent Pump can pump 115 GPM at 10' head pressure and up to 30 GPM at 50' head pressure. It features a piggyback mechanical float switch. This pump comes with a 20' cord. The needed voltage to run this pump is 208-230V single phase. It has a cast iron motor housing and a non-clog cast iron impeller. For more details, you can refer to the specification sheet. The Little Giant 620221 WS50HAM-12-20 Effluent Pump is covered by a limited warranty for a period of 24 months. This product bears the CSA mark for meeting the standards. Little Giant has proven their excellence for over 70 years by producing reliable pump solutions, packaged system options, and accessories.