Delta Breez 80 CFM Ceiling Exhaust Fan With Heater

The Delta BreezRadiance RAD80 combines a quiet bath fan and heater all in one with built-in thermostat and brushless DC motor engineered to run continuously for a minimum 70,000 hours; airflow rating of 80 CFM (±10%) and 1.5 Sones is at 0.1 static pressure. Power consumption approximately 11.7 Watts with an efficiency rating approximately 7.0 CFM/Watt. Duct diameter is no less than 4? Built-in thermostat to regulate temperature. Metal guard to help prevent user contact with heating wire. Heater element w...