ROBERTSON 3P20161 Individual Fluorescent eBallast, 2 CFQ18W/G24q CFL Lamp, Program Start, 120-277Vac, 50-60Hz, Normal Ballast Factor, HPF, Model PSM218CQMVDWCEST (Replaces Model PSM218CQMVDWCE/S) Equivalent to Philips-Advance ICF-2S18-H1-LD, REL-2Q18, VEL-2Q18, R-2Q18-4P-TP, V-2Q18-4P-TP Equivalent to ICF-S218-M1-BS, ICF-2S18-H1-LD, ICF-2S18-M1-LS, ICF-S218-M1-BS, ICF-2S18-M1-LS Equivalent to Osram QTP 1/2x18CF/UNV, Universal C218UNVSE/BE/BES, Keystone KTEB-218-UV-TP-PSD-NS Equivalent to Hatch HC218PS/UV/D, HC218PS/UV/DJ, Fulham RH2UNV218C, GE GEC218-MVPS-SE,GEC218MVPS-BES Save by ordering the Quik-Pak of 10 individually packaged ROBERTSON units 2P20161