• Galvanized steel housing with 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 100% speed controllable for highly efficient and economical airflow Automatic reset thermal overload protection 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 Excellent heat dissipation to ensure long motor life

The RVF model includes an impeller with backward-curved blades and galvanized sheet metal housing with a white powder-paint coating. When installed on an exterior wall, all ambient noise is kept outside. These fans are lightweight, compact, and simple to install. The housing is removable for immediate access to the motor and wiring connections.