Roof-mounted axial extractor fans with ...
Roof-mounted multifunctional extractor ...
Roof-mounted centrifugal extractor fans, ...
400 ºC/2h centrifugal roof-mounted ...
400 ºC/2h (F-400) and 300 ºC/2h (F-300) ...
400 ºC/2h and 300 ºC/2h roof-mounted ...