Large Dyno Fan Centrifugal Blower 4.0KW 2900rpm 11000m3/hr high pressure dust
You are looking at a high quality high performance centrifugal blower. Direct drive centrifugal fan moves 11000m3/hr at free air and 8000m3/hr at 800Pa. The fan is rotatable - so you can have the outlet of the fan at floor level too.