6 Inch Silent Inline Duct Fan Strong Power Ventilation System For Kitchen Bathroom Air Extractor Exhaust Outlet Ventilator ,High-Efficiency

High efficiency, low power and low point Up to 800 m3/h airflow rate. Double ball bearing: longer life Thickened silicon steel sheet: thickened stator runs smoothly at high speed Pure copper coil: dense copper coil, high groove full rate, conductivity and smaller loss