Product Features Casing: Corrosion resistant AISI 304 SS designed for long lasting performance Impeller: AISI type 304 stainless steel construction; two vane non-clog design for maximum pumping efficiency Mechanical Seal: Drive lube silicon carbide sealing faces; all metal components of AISI type 300 stainless steel running in protected oil chamber Elastomers: BUNA-N Pump Support Feet; Motor Shell and Lifting Handle: Constructed of AISI type 304 series stainless steel Shaft: AISI type 304 stainless steel high strength pump shaft with keyed and locking cap screw impeller fastening Discharge: 1.” and 2″ NPT for horizontal connection to rigid, flexible or guide rail piping connection. Residential Wastewater 1-1/2″ and 2″ Submersible Sewage Pumps 1DM/2DM Applications include homes and farms; mobile home parks and motels; schools and hospitals; municipal package systems; industrial treatment systems; and dewatering applications