Eiko 05251 - SP13/27-4P T4 Warm White Color 4 Pin Base Spiral Compact Fluorescent Light Bulb - Pack of 2 - 860 lumens Light Output, 13 watts Energy Used,10,000 hours Average Lifetime, 120 Volts, 4-Pin -GX24q-1 Base Type, Warm White Color / Finish, 2,700K Color Temperature, 82 CRI, 3.75" Length, 2" Width