AMAX LIGHTING 120-Volt 4.13 in. Electronic Ballast 1 Lamp FC8T9/T5 HD22-120B - The Home Depot
Amazon.com : GE432MAXP-N/Amp 3 or 4 Lamp T8 Electronic Ballast with Amp Connector Plug. 120 Volt To 277 Volt For F32T8 F25T8 F17T8 FE15T8 F25T12 F28T8 F36T8 F40T8 - Ultra Max Multi-Volt