Blue Angel Pumps F50SW 1/2 HP 120V Commercial-Grade Submersible Sewage Pump Stainless Steel Shaft and Fasteners,for Reliability Long Term in Tough Sewage Applications Heavy-Duty Upper and Lower BallBearings for Long Life and Quiet Operation Corrosion-Resistant Thermoplastic EngineeredFlow Diverter, for Switch Protection 2 in. NPT Discharge Capable of Handling 2 in. Solids Glass-Reinforced Impeller for Long Lasting Reliability