Feit, 8′, 46w, warm white, plug & play led tube, single pin base, non-dimmable, 3,200 lumens, 4,100 kelvin color temperature, 50,000 rated hours, universal t8/t12 application quick connect to create an 8′ lamp, 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.