Glass LED bypass line voltage double ended T8 8 ft 43 W, 5500 lm 4000K 80+CRI R17D 120-277 V. Solid state replacement for high output 8 ft T8 and T12 fluorescent lamps. Direct replacement of 8 ft LED slimline with an 8 ft HO lumen output. Recessed double contact (R17d) base. Simple installation; bypass ballast, connect line voltage to sockets. Frosted lens for uniform diffuse appearance. No ballast or external driver required. High Output: 5500 lumens; 127 lpw. Instant-On with no warm up like fluorescents. Integral 120-277 V drivers provide easy installation. Existing fixture maintains original UL compliance per UL1598C listing. Does not operate on emergency backup. Suitable for commercial, conference rooms, hospitality, education, healthcare, retail, residential.