Incandescent Lamp, Lamp Type Tubular, Lamp Shape T6, Base Type Intermediate Screw (E17), 40 Watts, 130 Voltage, Lamp Designation 40T6 1/2, Initial Lumens 420, Max. Overall Length 5-1/2 In., Lamp Finish Clear, Average Life 750 hr., Lamp Dia. 1/2 In., Shat