VIVOSUN 6 in. 390 CFM Inline Duct Fan with Variable Speed Controller for Ventilation

This powerful blower with a fan speed of 2550 RPM can create an air flow of 390 CFM. It combines the features and benefits of axial and centrifugal fan, effectively circulating air. The durable fan blades revolve smoothly and powerfully, which helps collect airflow volume and cut noise output. A stepless speed controller on the power cord enables the fan to run at different speeds. This duct fan is compact and lightweight so it can be installed in small areas. It can quietly and efficiently moving large volumes of air throughout your ventilation system.