The Zoeller Mighty Mate cast iron submersible pump is for sump or septic tank systems. The M53 is float operated with a 1-1/2" discharge that passes solids up to 1/2". The pump is water-tight and dust-tight with a powder-coated epoxy finish, no sheet metal parts, and a neoprene square ring between the motor and pump housing. The M53 features an engineered, glass filled, plastic impeller with metal insert. The M53 will pump up to 34 gallons per minute @ 10 feet lift. The M53’s motor is oil-filled and hermetically-sealed. A 9', 3-wire, 115v power cord is also included.