U-Bend Fluorescent Bulb Trade Number FB40/T12/CW/6 Bulb Housing Glass Bulb Shape T12 Color Temperature 4100K Lumens 2 300 lm Shatter-Resistant No Bulb Bend Radius 6 in Watts 40 W Bulb Base Type Medium Bi-Pin (G13) Color Rendering Index 90 Dimmable No Light Technology Fluorescent Overall Length 22 1/2 in Voltage 100V AC ANSI Code 78901-ANSI-4027-1 Standards TCLP Compliant Bulb Start Type Rapid Rated Life 18 000 hr Light Color White Bulb Dia 1 1/2 in