GE LIGHTING 250W, R40 Incandescent Heat Light Bulb Price For: Each Watts: 250 Bulb Designation: 250R40/10 Standards: Meets 2012 Lighting Legislation Energy Voltage: 120 Light Distribution: Flood Max. Overall Bulb Length: 6-9/16" Average Bulb Life: 5000 hr. Item: Incandescent Heat Lamp Light Bulb Dia.: 5" Bulb Primary Application: Heat Lamps Bulb Technology: Incandescent Shatter-Resistant: No Bulb Base Type: Medium Screw (E26) Bulb Shape: R40 Light Appearance: No Rated Color Temp, Red Country of Origin (subject to change): Hungary