Sold as each. 3/10 HP. For sump/dewatering septic tank effluent. Thermal overload protected. Cast iron. Stainless steel screws. 2 pole float operated mechanical switch. 115 volt. 1-1/2" NPT discharge. 2580 GPH at 5", 2040 GPH at 10", 1140 GPH at 15" head. One year limited warranty. UL/CSA approved. Display carton. Manufacturer"s number: 57-0001. Country of origin: United States. Distributed by Zoeller Co.