... 3-in-1,heater,ventilation and light 3.Longlife ball bearing motor Bathroom fan with light and heater BPT10-50HLModel: BPT10- ... very comfortable.2.High-efficiency heating element,with over-heat protection device,safe and reliable,long life.3.Enclosed housing ... consumption,low temperature-rising,environmental,over-heat protection device in design,achieve to free maintenance,long life and high efficiency ...