Feit, 3′, 12w, cool white, plug & play led tube, g13 base, non-dimmable,1,450 lumens, 4,100 kelvin color temperature, 50,000 rated hours, universal t8/t12 application convert your existing fluorescent fixture to led, no replacement ballast or installation of led driver or removal of old ballast required, instant on to full brightness even in sub-degree temperatures, shatterproof lens.