TCP 3200750K Fluorescent Twin Tube PL Lamp - 7 Watt (410 Lumens) Daylight White (5000K) 2-Pin (G23 base) Twin Tube PL Lamp Please NOTE: This lamps has a 2-Pin G23 base Non Dimmable Lifetime: 9.1 years Watts Used/Lumens: 7 Watt/410 Lumens Estimated Annual Energy Cost to Operate (based on 3 hrs/day): $0.85