solar water pump the profile photo should suggest the power from an open end 32mm pipe certainly shows its pressure and power to push water like that just from the sun this pump isn't a some gold fish pond pump was used short term but is to much flow as my supply wont keep up i have operated and experimented with several solar pumps over serveral years visit you tube solar pumps to give idea's what these type of pumps can do ,i just went too big with is pump and use smaller one Operates day time only as there is no added cost of a battery bank or batteries that deteriorate they operate by the sun on panels via a control box, no running costs once set up ,, check my other listing solar walk in chiller for other solar enthusiasts maybe interested