Osram Sylvania Part # 49857 - Osram Sylvania High Efficiency Instant Start Quicktronic Electronic Fluorescent Ballast For Four 32-Watt T8 Fluorescent-Lamps - Fluorescent Ballast - Home Depot Pro
Osram Opto Semiconductors - QTP5 2X49/220-240 - 92 W Electronic Lighting Ballast For Fluor, 176 to 276 V dc, 198 to 264 V ac - RS
Osram QTi 1X14/24/220-240 DIM Electronic Fluorescent Ballast