The Hi-Tech Lamps part number 40B10FBL-O is a 120volt (120V), 40watt (40W) Incandescent Lamp made by Osram. It has a Medium base with a B10 Bulb Shape and a Frosted lamp finish. This lamp has an overall length of 96.8375mm with an average of 1500 hours. The color temperature is 2850K with a color rendering index (CRI) of 100. It is also known as 40B10/F/BL/2PK 120V.