Sylvania 54W 120V T5 HO Universal Electronic Ballast – BulbAmerica
GE LIGHTING BALLAST T5 HO 67562 - Fluorescent Ballasts - GELGE254MVPS-A | GE254MVPS-A - Grainger, Canada
Electronic Ballasts for T5HO Lamps – Sunpark Electronics Corp.
Visioneering 14656 - Five Commercial, 2 Lamp, 46 Inch, T5 HO, 54 Watt, Program Start, 120-277V, Ballast Disconnect, Pack Single, Dual CSA and UL Labels