Linear Fluorescent Lamp Lamp Shape T8 Diameter 1 In. Length 72 In. Base Type Medium Bi-Pin (G13) Start Type Instant Lamp Designation F70T8 /CT 70 Watts Lamp Tone Neutral Color Temp 3500K CRI 85 Initial Lumens 5670 Mean Lumens 5386 Average Life 20 000 hr. Min Starting Temp -20 Degrees F Yes Shatter-Resistant Meets 2012 Lighting Legislation Energy Speciality