SYLVANIA LED15T8L48FGIS841SUBG9 SubstiTUBE T8 LED REPLACEMENT LAMP BOX OF 25 NIB
Because the SubstiTUBE Value IS LED. Compatible LED T8 for use with instant start electronic T8 ballasts. Engineered to operate on existing instant start electronic T8 ballasts. T8 is not affected by switching cycles, the use of occupancy or vacancy.