4" Submersible Borehole Pump SP5A- 8N 0.75 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: Rp11/2" Female Thread