Inline Ventilation Duct Fan

Price from US $35 – US $55



  • Over Current Load Protection and Auto-Restart function.
  • Metal Fan Shell, Fire Proof PBT Fan Impeller and
  • Heavy Duty 6mm Bearing.
  • Fully Adjustable Speed Controller: air volume output based on your requirements, save money from invalid ex-working.
  • Double Impeller & Jet Engine Design Impeller, strong with beauty.



Product Adjustable Inline Duct Fan
Motor AC motor
Speed Controller Attachable
Axial Flow Fan
Available Flange Size
Package size (4″)
184* 159 * (H)175mm
Power (Voltage)
110~120V /220~240V
Sample 4″
18W, 160(CFM), 1.1kg
Sample 4″ Max Air


Easier Duct Connection Design with Detachable Bracket.

Truly compact unit with easier duct connections on both sides.

Energy Saving with low working power than competitors, saving more than 50% energy cost.

Built with cold-rolled steel housing and jet-engine design double impellers, and equipped with the cutting-edge brushless EC motor.
6-Poles Brushless Motor with Sine Wave.

Double Heavy Duty NMB Ball Bearing, low temperature, not easy fever, its life expectancy up to 85,000 hours.

IPX4 protection class, waterproof and dustproof more effective.

Locked Motor Protection [ Auto- Restart ] ; Soft- Start Motor; Over-Voltage Lockout Protection
Customized Feature: PWM / Control by 0-10V / Voltage output / Tacho Output / IP68 waterpoof and dustproof.

EC fan specification

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