Fulham Lighting LH4-120-L LongHorse 4 - Versatile Remote Mount Instant Start - 120V - Linear Model w/Side Leads Electronic Ballast Workhorse Specifier Grade Series Electronic Ballast, Drop In Replacement for Magnetic Ballast, Series Lamp Operation THD Less Than 10% Universal voltage , 1 OR 2 XF96T12HO/ F96T12/ES/HO/ 2XF72T12HO/F60T12HO/F4812THO