... : SpecificationsApplication: HVACR Equipment, Machinery, Air Source Heatpump etc.Function: Ventilation, Cooling, Heating, Air Conditioning, Draft Inducing, Air Refreshing, Air Circulation and so on. Features1 ... , the pressure coefficient is high, good material, durability and other characteristics, it is air conditioner, air energy heatpump water heater, exhaust ventilation equipment, refrigerators ...