31W 23" T8 Low Mercury U-Bend Enhanced Color Rendering Fluorescent Tube. Available in Warm White (3000k), Cool White (3500k), and Bright White (4100k) color temperatures. 24000 hour lifetime rating. 6" spacing.

Product Details:

Energy Used: 31 watts; Light Output: 2700 Lumens; Available In Warm White (3000k), Cool White (3500k), and Bright White (4100k); Length: 23"; Lifetime Rating: 24000 hours. 6" spacing. Manufacturer: Howard Lighting Products