(2 Pack) Sylvania 34 Watt T12 U-Bend Fluorescent U Shaped Light Bulb FB34/CW/6/SS, FB34/CW/6/SS/ECO, FB40/CW/6/SS, FB40/CW/6/SS/ECO 4200 Kelvin Length: 22.6"; Leg Spacing: 6" Average Life: 18,000 Hours T12 Tube Diameter (1.5") Lumens: 2600