| UL listed and CSA certified | Approved for residential and commercial applications and for wet locations | 100% speed controllable | Suitable for airstream temperatures up to 140°F | Easy connection using external wiring box with waterproof gasket | Ebm-papst external rotor motorized impeller for excellent heat dissipation, even at low rpm | Fan housing constructed of UL-recognized, UV protected thermal plastic resin | Backward curved impeller featuring a well designed venturi for maximum performance | Permanently lubricated sealed bearings for maintenance free operation | Motor equipped with automatic reset thermal overload protection | Statically and dynamically balanced as one integral unit to provide vibration free performance | HVI certified and tested | 5 Year Warranty | Centrifugal exhaust/supply fan specifically designed for ventilation applications.