13W Energy Wiser Dimmable Compact Fluorescent Coil in Warm White [Set of 2] Get the perfect light with the T3 GU24 Twist and Lock 13 watt 120 volt Compact Fluorescent light bulb. Box contains 1 bulb. Color Temperature: 2700K, Warm White Average hours: 10000, Beam Spread: 360, CRI: 82, Lumens: 810, MOD: 2, MOL: 4.13 UL: Yes, Contains Mercury: Yes