Koenders DC 4.5 Solar Water Pump Farms HD 550 Electric Aerator and

HD 550 Electric Aerator and internal pressure release valve

Runs on any 12 to 30 volts of direct current

Bearings allow the fan assembly and piston in a windmill to run smoothly

Durable Die-Cast Aluminum Components

Has 8 holes that go around the perimeter of the diaphragm and comes with 2 disk valves

Koenders DC 4.5 Solar Water Pump Farms HD 550 Electric Aerator andKWS Solar Water PumpsIncludes: Solar Submersible Pump PCA 30M1D Solar Pump Controller 50' standard 10 2 w g Submersible Pump Cable Safety Rope 12 2 x 72" Wire Interconnect w MC 4 Ends 1 2" Fitting Kit FX2 44L Top of Pole Mount Fixed Rack 2 x Solar Module Andromeda approx. 300 Watt 18 Volts Well Seal 4 x 1 2