Four EiKO Model SP105/50/MED Spiral Compact Fluorescent Light Bulb, 120 Voltage Rating, 105 Watts, Medium Screw (E26) Base, 10.75"/273mm MOL, 4.02"/102mm, 6600 lumens, Color Temperature 5000K
Not for use with dimmers, electronic timers, photocells, motion/occupancy sensors, or in totally enclosed fixtures.