Capacitor Bearing Motor Permanent lubrication effect, pure copper coil, low heat generation and good heat dissipation effect, has the advantages of anti-corrosion, low noise, long life, overheating and overload protection, and stable speed. Easy to clean The ventilation fan is easy to disassemble, convenient for quick maintenance and cleaning of dust. IPX2 waterproof rating This exhaust fan has good waterproof performance and can operate stably in a humid environment without causing short circuits