Osram Sylvania 49970 High Efficiency Instant Start Electronic Ballast Three 32 Watt T8 Universal Normal Ballast Factor Qhe3X32T8Unvisnscb, 0.279" x 0.279" x 0.279": Electrical Ballasts: Amazon.com: Tools & Home Improvement
Osram QTi DALI 2x21-39 Dimmable High Frequency T5 Electronic Ballast - Runs 2x 21-39W T5 Fluorescent Tubes - Amazon.com