The Rhino Ultra fan is small in size, but big in power! Offering high air flows at high pressure for superior ventilation. Using state of the art EC technology, the fans can be controlled from 0 to 100% speed with no humming and buzzing. Controlling the fan is simple with the speed controller which is included. If you want more control, you can use adaptors to connect to any

EC GAS Controller. All Rhino Ultra fans can be matched with Rhino filters to offer the best air extraction and ideal contact time with the carbon in the filter.