Sylvania Part # 51863 - Sylvania Quicktronic 6.5 In. 1 Or 2-Light Ballast For Up To 42-Watt Compact Fluorescent Lamps - Fluorescent Ballast - Home Depot Pro
Sylvania Part # 49131 - Sylvania Quicktronic Professional Electronic Ballast For Two 54-Watt T5 High Output-Lamp, No Leads - Fluorescent Ballast - Home Depot Pro