ROBERTSON 3P20156 PSP242TRMVW Fluorescent eBallast for 2 CFTR42W/GX24q CFL Lamps, Program Start, 120-277Vac, 50-60Hz, Normal Ballast Factor, HPF, Equivalent to KTEB-242T-UV-TP-PSD-NL, Fulham RH4-UNV-242-K, RH4-UNV-242-C