70 CFM, Sufficient ventilation to remove odors and pollutants from your smaller powder room or bathroom;4.0 audible sones for privacy while using your bathroom.;Corrosion resistant steel housing and adjustable mounting brackets;Type IC; UL listed for 60 wiring (retrofits);Uses two 250-Watt R40/BR40 infrared bulbs (not included);Provides simultaneous or independent heating and ventilation;An adjustable socket eases installation for ceilings up to 1 in. thick;Automatic thermostat recycles fan to keep housing temperature within safe limits;White polymeric grille is easy to wipe clean;U.L. listed and HVI 2100 certified for your safety and Protection