8'' Silent Inline Duct Fan Variable Speed Controller Air Extractor For Bathroom Kitchen Exhaust Ventilator EC Motor ,Easy to Use

Effective VentilationHon&Guan6InchDiameter160mmInline duct fan with a fan speed 4300RPM for an airflow 798m³/h moves air through your target location efficiently for optimal ventilation.; Hon&Guan8InchDiameter200mm Inline duct fan with a fan speed 3500RPM for an airflow 1292m³/h moves air through your target location efficiently for optimal ventilation. Advanced MotorAdopts ball bearing which makes this to the new generation EC motor. But we do not recommend the machine running the whole day without a break. Variable Speed ControllerEquipped with a variable controller can be adjusted the speed from 0%~100% which meets your different requirement while operating. Waterproof and DurableWaterproof grade is IP44, anti water drop. The fan body is made of high-end ABS pliable plastic that is unlikely to break, light and easy to clean.