Ultra-low noise EC inline duct fan

  • Mixed flow impeller design with highly efficient EC motors and lined with sound-absorbing material

  • Motor cases unclip from duct connections for easy servicing

  • Ideal solution for medium-demand ventilation in commercial and residential systems

  • Suitable for room-to-room air transfer and supply or exhaust ventilation

  • Can be installed in parallel or series configuration for higher pressures or flows


The SMF fan range is fitted with mixed-flow impellers driven by long-life motors with sealed-for-life bearings. Cases are made from injection moulded polymer with insulation and perforated lining.

Speed Control

SMF fans are supplied with an on-board speed control potentiometer for internal speed control. The fan is also suitable for external 0-10VDC analogue signal for speed control.


Rated fan performance has been tested in accordance with the following.

  • Performance test to ISO 5801: 2007

  • Fans sound data has been determined by ISO 13347:2004

  • Electrical compliances test to IEC60335.1 and IEC60335.2.80


SMF fans are fitted with flex leads and plugs.

Download the SMF brochure and installation guide here:

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