GE, 48069, 125R40-1, 125W, 120V, Clear, Infrared Heat, Reflector Light Bulb, Indoor, Maximum Overall Length 6- 9/16", Medium Base, 5,000 Hours, Used To Prevent Freezing Of Water Pipes, Car Radiators & Pumps. 125-Watt R40 Heatlamp, 1-Pack, Features and Benefits: GE's specialty bulbs offer innovative solutions for a variety of lighting needs. Use it at home to heat small areas of the bathroom and workbench, or to prevent freezing of water pipes, car radiators and pumps. Incandescent Reflector Lamps GE Heat Lamp R40-Heat Lamp.