ROBERTSON 3M10071 PP2P /G Fluorescent mBallasts for 1 CFQ13W/GX23 or CFT13W/GX23 CFL Lamp; 1 F15T8, F15T12 or F20T12 Linear Lamp; 1 FC6T9 or FC8T9 Circular Lamp, 120Vac, 60Hz, Normal Ballast Factor, NPF