ROBERTSON 3P20096 Fluorescent eBallast, for 2 CFQ18W/G24q CFL Lamps, Program Start, 120-277Vac, 50-60Hz, Normal Ballast Factor, HPF, Model PSM218CQMVDSW /S High Efficiency Electronic Ballast High Power Factor End of Lamp Life Protection Internal Surge Protection RoHS Compliant