Circular Inline Duct Fans

For ventilation of areas requiring dry space and clean air.

Salient Features

  • AMCA (Air Movement and Control Association) certified for air performance and sound levels.
  • Available sizes from 100mm to 315mm diameter.
  • Airflow of over 310 m3/hr with static pressure up to 300 Pa.
  • Both AC and DC motor inline fans are available.
  • Easy installation, compact design and low noise level.
  • Low maintenance, no rusting, no dust accumulation.

Other Features

  • Highly efficient airflow.
  • Energy saving


Circular inline fans can be used in a variety of HVAC applications, including commercial and industrial ventilation, air conditioning, and heating systems.

They are particularly well-suited for use in situations where space is limited, since they can be installed within the ductwork and do not require a lot of room for installation.

Top manufacturers of circular inline duct fans are Fanair, Greenheck, Kruger Ventilation, Systemair, Ziehl-Abegg and Nicotra.


  • Ventilation
  • Industrial processes
  • Laboratories
  • Clean rooms
  • Data centers
  • Telecommunication

Standards and Certifications

  • AMCA certified
  • UL listed
  • CE marking

Also check out AMCA Axial Fans with Metal/Plastic Blades, AMCA, UL Certified Jet Impulse Fans, Cabinet Inline Fans and Industrial and Domestic Heavy Duty Exhaust Fans.