O.Erre roof fans in front of the 'REVOLUTIONARY SYSTEM' banner

Photo: Mariusz Młynarczyk / CloudAir.tech

Grey and aluminium roof extract fans stand on a white plinth in the foreground of the O.Erre stand. Behind them, the backlit banner introduces an 'IN LINE MIXED FLOW FAN – REVOLUTIONARY SYSTEM', above a grey wall with Linear 125 and Linear 100 duct fans and small wall fans.