Titanium heat exchanger evaporator high,medium,low temprature evaporator Diameter 12.7mm or ... ,pleasing shape,rustproof.8.Defrost heat performance: 8 hours defrost cycle hydrophilic fin evaporatoraxial rotor motor for evaporatorceiling type evaporatorhigh,medium,low ... and out water tube(mm)ORGREN-1001HP370x215x37040 ORG type titanium heat exchanger for swimming pool