Fantech RVF6 Centrifugal Duct Fan Exterior Wall Mount 6

Galvanized steel housing features powder-coat finish,External rotor motor with totally enclosed design allows fans to operate in high moisture, lint and dust laden air,Permanent split capacitor motors feature automatic reset thermal overload protection and sealed ball bearings for long life and maintenance-free operation,All motors and impellers are designed as one integral unit, allowing for excellent motor heat dissipation, even at low RPM,Permanently lubricated sealed ball bearings