Sylvania 51993 - QHE1X250MH 208-277V DIM Metal Halide Ballast
$713.59
Sylvania 1 Lamp - 250 watt - 208/277 volt - Dimmable - Quartz Restrike Capability - Quicktronic | Sylvania Metal Halide HID Ballast (QHE1X250MH 208-277V DI