25W T8 35.78in Double-End G13 Medium Bi-Pin Base Soft Daylight 5000K 2150 Lumen 24000 Hour 360 Degree Beam Spread Fluorescent Linear Straight Tube Light Bulb - High performance tri-phosphor for maximum brightness and color rendering; can be used on both instant and rapid start ballasts - Ideal for commercial/industrial application and signage/displays