GE 97610 Plug-In Compact Fluorescent Quad Tube Light Bulb 26 watt T4 4-pin (g24q-3) base 2,700K warm white double tube double Biax eco Lux compact fluorescent GE light bulb Color/finish: warm white Color temperature: 2,700K average lifetime: 12000 hours Color temperature: 2,700K Average lifetime: 12000 hours