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The gear-type cross-flow fan uses a 4-speed adjustment switch to change the frequency of the motor power supply to achieve speed regulation and reduce the motor speed to save electrical energy.
| Model | Voltage(V) | Freq.(HZ) | Current(A) | Power(W) | Noise(dB) | Airflow（m³/min) | Speed(RPM) | Blade Size | Blade material |
| FB-9B Gearshift Speed | AC110/220/230 | 50/60 | 0.09/0.11 | 25 | ≤45 | (0~4.8)±0.5 | (0~1200±100 | Φ91×266 | GFAS |
| Aluminium Alloy |
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