Sylvania Osram QHE2X32T8/UNV-PSN-MC T8 Fluorescent Ballast, 2 LAMP, 120/277V 32W SYLVANIA QUICKTRONIC PROStart PSN programmed rapid start electronic ballasts High efficiency systems over 90% efficient Parallel operation (one lamp out, remaining lamps stay lit) Lead-free solder, printed circuit board and manufacturing process Lamp striation control (LSC)