GE led11et8gu8501pk, 11w, sunshine light color, frost bulb color, t8/t12 cross shape, led linear bulb, equivalent to a f17t8 or f20t12w incandescent, bi-pin base, non-dimmable, 1,000 lumens, 5,000 kelvin color temperature, 33 year, 36,000 hours rated life, mol=18", works with electric or magnetic ballasts, california title 20, sleeved. For use with approved electronic ballasts.