Vertical air curtain with a height of 2 meter of the industrial type without heater. To get the best airflow the air curtain has got exhaust jets, these exhaust jets induce air and increase the air volume. The diameter of this air curtain is 450 mm. The fan is a 1-speed axial fan, the control is on the air curtain and there is also a possibility to connect a door switch. The casing is zinc plated.