Sylvania 51955 - QTO1X150MH-HPS UNV DIM Metal Halide Ballast
$544.99
Sylvania 1 Lamp - 150 watt - 120/277 volt - Dimmable - Quicktronic - Professional - High Efficiency | Sylvania Metal Halide or High Pressure Sodium HID Ballast (QTO1X150MH-HPS UNV DIM 51955)