... products of heat exchanger core:Sensible heat exchanger core(counterflow)-air cooled heat exchanger coreCharacteristic:Application on room ventilator systems or ... aluminium foilPatent number,ZL200420116088.5,ZL200420116089.XTypeA(mm)L (mm)B (mm)RemarkHRC9090300,350,400,450 Required HRC140140300,350,400, ... ,650,700,750,800Required HRC250250650,700,750,800,850Required air cooled heat exchanger core