Sylvania 51994 - QHE1X320MH 208-277V DIM Metal Halide Ballast
$749.99
Sylvania 1 Lamp - 320 watt - 208/277 volt - Dimmable - Quartz Restrike Capability - Quicktronic | Sylvania Metal Halide HID Ballast (QHE1X320MH 208-277V DI