Attributes . High Pressure Sodium Lamp, 22, 2000 K, 16000 lm Brightness (Lumens), 150 W, 110 V, Clear, Glass Material, 24000 h Average Life, E39 Mogul Screw Base, S55 ANSI Ballast Code, Non Dimmable, 2.95 in Diameter, 7.75 in Length, 14.85 % Mercury Content, 0.36 lb . Names