400 ºC/2h (F-400) and 300 ºC/2h (F-300) ...
400 ºC/2h and 300 ºC/2h roof mounted ...
400°C/2h and 300°C/2h rated dynamic ...
Centrifugal roof fans 400 ºC/2h, with ...
Centrifugal roof fans with horizontal ...
400 ºC/2h centrifugal roof fans with ...
Centrifugal roof fans with vertical air ...