Ideal for sewage and large-volume dewatering applications this Zoeller submersible sewage pump is suitable for use in loading docks, non-gravity sewers, and sewer lift stations. Cast-iron construction helps dissipate heat while the oil-filled motor provides additional heat dissipation, is hermetically-sealed, and permanently lubricated. The baked-on epoxy finish resists corrosion. Pump is factory tested underwater for reliability. Submersible Sewage Pump, 1/2HP, 115V, 21 ft This product contains a chemical that is regulated under California Proposition 65. Warning This product contains a chemical known to the State of California to cause cancer. Warning This product contains a chemical known to the State of California to cause birth defects or other reproductive harm.