... WATER, SOLAR WATER HEATERPRICE, SOLAR WATER HEATING, EVACUATED TUBES, VACUUM TUBES, HEAT PIPE SOLARWATER HEATER, HEAT PIPE SOLAR COLLECTOR ... PANELS, SOLAR COLLECTOR, SOLARCOLLECTORS, SOLAR COLLECTOR PANELS, EVACUATED TUBES SOLAR COLLECTORS, EVACUATEDTUBE SOLAR COLLECTOR, HOME SOLAR COLLECTOR, ... 1500)mmVacuum tube kind: three target coatings vacuum tubes ALN/SS/CUHeat pipe material:TU1 Tube quantity: ...