... . 4) SS body,copper head. Solar energy water pumps:Submersible solar power water pump for agriculture:1) DC 24v,204w,no need ... inverter,more efficiency, save energy.2) Head: 10m,20m ... ,30m,40m,50m,60m,70m,80m,90m,100m,150m for choice.3) Water shortage & voltage/current protection ...