Air curtains are installed on the door and it forms an invisible and continuous flowing air curtain which helps in prevent the escape of conditioned air and also restricting the entry of outside humid, hot and polluted air through open doorways or service hatches into a cleanroom environment.

1. Air curtains avoid cool air escaping to the external environment.
2. It prevents pollution, insects, dust, and fumes from interfering with production.
3. It is also a barrier to sound.