S39907 17T8/LED/48-850/BP 120-277V 17 Watt T8 LED; 5000K; Medium Bi Pin base; 50000 Average rated hours; 2200 Lumens; Type B; Ballast Bypass; Double Ended Wiring or single end wiring 210 beam spread Approved for use with tube guards Built in shock resistant circuit (not hot until both ends are installed