Sunlite 87906 T8/LED/U/17W/IS/40K LED 17W T8 Plug and Play U Lamps, 2G13 Base, 4000K Cool WhiteSunlite's U shaped LED 4 pin T8 lamps are the best replacement lamps for your traditional fluorescent U shaped lamps that fit perfectly in a variety of settings, including schools, hospitals and office spaces. Containing no mercury content whatsoever, these lamps promote a much more healthier environment when compared to any competing fluourescent lamp. Produces an efficient 4000K Cool White beam of light for all your ceiling fixtures and more On