This twin-tube fluorescent bulb features a two-pin base that is ideal for use in exit signs and most desk lamps. Using just 13 watts, this bulb provides 12,000 hours of soft, white light. Twin-tube bulb is rated at 2,700 Kelvin and produces 800 initial lumens. TCLP compliant and meets RoSH standards. Twin-tube fluorescent bulb features a two-pin base ideal for exit signs and most desk lamps. Uses 13 watts, providing up to 12,000 hours of soft, white light. Bulb is rated at 2,700 Kelvin and produces 800 initial lumens.