U-Bent Fluorescent TubesMore efficient than T12 Tubes, uses less electricity. Low Mercury TCLP- compliant so they can be safely disposed as non-hazardous waste in most states. Made to exacting standards for maximum lumen maintenance they feature a cathode guard around each electrode to reduce lamp darkening and retain a clean appearance throughout the tubes life. Popular in offices. U-Bent. Brightness: 2900 lm; Voltage: 120 V; Power: 32 W.