1. plate counterflow heat 2. rectangle 3. anticorrosion hydrophilic coating foil 4. pitch: ... series of products of heat exchanger core:plate counterflow heatSensible heat exchanger core(counterflow) CharacteristicApplication on room ventilator systems or industrial heat ... ,650,700,750,800Required HRC250250650,700,750,800,850Required plate counterflow heat exchanger core