4" Submersible Borehole Pump SP3A-33N 2.2 kW 2950 Rpm, 380-400-415V 3 Phase 50Hz, Materials: Casing 316 Stainless Steel, Impeller 316 Stainless Steel, Shaft Seal: Silicon Carbide vs Silicon Carbide, Elastomers: NBR, Discharge Connection: Rp11/4" Female Thread