Superior Pump 93501 is a submersible sewage pump designed to remove wastewater from residential and light commercial buildings to a septic or sewer line. It can handle spherical solids up to 2 inches in diameter and includes a float switch for automatic operation. Constructed from stainless steel and cast iron, this pump features a stainless steel vortex impeller, a carbon/ceramic/stainless steel shaft seal, and a 10-foot, 3-prong grounding type power cord.