LED Tube Lights | LED Fluorescent Tube Replacements | T5 ... Designed to fit in fixtures intended for linear fluorescent lamps (LFLs), LED tubes from GE are a smart, efficient and long-lasting solution to replace traditional lighting. GE offers three solutions: UL Type A, UL Type B, and UL Type C. These are offered in various lengths and sizes, including T8 and T5, as well as in glass and plastic.