1. air cooled heat exchanger core 2. rectangle,counterflow 3. anticorrosion hydrophilic coating ... products of heat exchanger core:Sensible heat exchanger core(counterflow)-air cooled heat exchanger coreCharacteristic:Application on room ventilator systems or industrial ... HRC225225600,650,700,750,800Required HRC250250650,700,750,800,850Required air cooled heat exchanger core