Permanent Magnet Variable Frequency Inline Duct Fan with Stepless Speed Control 
HI‑160EC (6-inch High-Speed)
Suitable Inner Diameter: Φ159 mm
Weight: 2.0 kg
Dimensions: Length 293 mm, Width 202 mm, Height 187 mm
Construction: Duct-mounted variable-frequency axial fan, EC brushless motor, supports PWM signal speed control
Electrical Specifications: Voltage 100–240 V, Power 77 W; Static Pressure 542 Pa, Airflow 798 m³/h, Speed 4,300 r/min
HI-200EC (8-inch High-Speed)
Suitable Inner Diameter: Φ198 mm
Weight: 2.7 kg
Dimensions: Length 323 mm, Width 244 mm, Height 232 mm 
Construction: Duct-mounted variable-frequency axial fan, EC brushless, supports PWM signal speed control
Electrical Specifications: Voltage 100–240 V, Power 110 W; Static Pressure 485 Pa, Airflow 1292 m³/h, Speed 3500 r/min