MSA PremAire Supplied Air Respirator System features a patented waist-mounted manifold for providing better flexibility. Respirator system includes push to connect Firehawk regulator and 5 minute cylinder. It has a dual-supply option that lets the user to connect from one pressurized continuous air source to another without losing continuity of airflow. It contains an vortex tube that helps in controlling the temperature. It includes a lightweight, mask-mounted regulator for providing high airflow. It is suggested to use in IDLH environments.