The iSWAY-FC® product set is intended to generate and maintain positive pressure in protected spaces to prevent smoke accumulation. All iSWAY-FC® units have compact structure, enabling quick access to the inner part of the device in order to carry out maintenance service. The units are provided with a rugged housing, resistant to adverse weather factors, and may be installed at virtually any location at the building, i.e. on the roof, in technical rooms, etc.