SleekLighting 23Watt T2 Spiral CFL Light Bulb 2700K 1300lm GU24 BASE - 4pack Please note that the base of the 23Watt GU24 is bigger then the 13Watt GU24 make sure that the fixture you are buying this for can fit a big base GU24 base Perfect for residential or commercial use please note this is not a E26 standard base 120 Volts, 8,000 hour average bulb life, 2700K, 1300 lumens (4 Pack) 23 Watt (100-Watt Incandescent Equivalent) Compact Fluorescent Light Bulbs We have the same bulb in 13 Watt, search asin # B01AX2IACO