Sylvania QT2X32T8/277 ISL-SC Fluorescent 277-Volt Ballast 277V LOT OF 10 46135499340 | eBay
Sylvania Part # 75303 - Sylvania Quicktronic 2 X 96-Watt, 120-Volt/277-Volt T12 Fluorescent Electronic Ballast, High Output - Fluorescent Ballast - Home Depot Pro