Systemair, a leader in manufacturing and sales of ventilation systems with facilities in more than 40 countries, has been operating for years in the field of infrastructure ventilation. Systemair MRT division was created to supply ventilation systems worldwide for underground applications such as metro, road, train and hydraulic tunnels. Systemair will exhibit on stand 8 at ISTSS in Marsiglia. Visit http://www.systemair.com/it/Italia/Soluzioni/Tunnel-and-Metro/ and http://www.istss.se/en/Sidor/default.aspx. 09/14.