ROBERTSON 1P10160 CC1320P Bulk-Pak of 20 Fluorescent Magnetic Ballast for 1 CFT13 or CFQ13W/GX23 CFL Lamp, Preheat Start, 120Vac, 60Hz, Normal Ballast Factor, NPF Equivalent to PHILIPS-ADVANCE LC1322TP, LO-13-22-TP, UNIVERSAL 200-H2P, KEYSTONE CC1322TP Electromagnetic Reactor Type Ballast Meets ANSI C82.1, CSA/C22.2 Certified UL (Class P, Type 1 Outdoor), cUL Certified Automatic Reset Thermal Protector