Lamp Number H39KB-175 Bulb E-28 Base Mogul (E39) Common Code HR175A39 Watts 175 Bulb E-28 Base Mogul (E39) ANSI Ballast H39 Coating Clear Burning Position Universal Approx Initial Lumens 7900 Approx Mean Lumens 7400 Average Life 24000 MOL in/mm 8.31/211.1 LCL in/mm 5.00/127.0 Color Temperature 6800 Color Rendering Index 20