The Little Giant 511310 10-CIM Big John Submersible Sump is an effluent pump. It is highly suitable for dewatering and sewage and effluent wastewater removal. The pump has a discharge size of 1-1/2” FNPT (38mm) in diameter so it can handle solids of up to 1/2” (12.7 mm) in diameter. The pump has a 1/2 hp motor. This Little Giant 511310 10-CIM Big John Submersible Sump can pump up to 67 GPM at 5' head pressure and up to 40 GPM at 20’ head pressure. It is manually operated. It comes with a 10’ cord. The needed voltage to run this pump is 115V single phase. It is designed for lifetime usage because it features a cooler running motor. It allows you to save power because of its energy-saving low amp draw feature. More details are available in the specification sheets. The Little Giant 511310 10-CIM Big John Submersible Sump is covered by a Limited Warranty for a period of 24 months from purchase date. This product proudly bears the CSA mark and is recognized for meeting the required environmental performance standards. Little Giant and its parent company, Franklin Electric, have been making pumps for over 70 years. The quality, durability and dependability of their products have made them a world leader in pumps of virtually every variety.