Osram QTi DALI High Frequency 1x18 T8 Electronic Ballast - Runs 1x 18W T8 Fluorescent Tube [EU SPECIFICATION: 220-240v] - - Amazon.com
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 1 x 14 21 24 39 Watt Electronic Ballast Electronic Ballast Fluorescent Lamp 14 W 21 W 24 W 39 W : Amazon.de: Lighting
Osram Sylvania 49971 High Efficiency Instant Start Electronic Ballast for Four 32W T8 Universal Volt Normal Ballast Factor