Metal halide lamp electronic ballast - CBI series - IREM SPA
50 Watt Electronic Metal Halide Ballast M110 — LightStoreUSA
Metrolight M150MHS-3-US-C-AD-NC, 150w M81-M102, Electronic metal halide ballast, 120-277v -dimmable via approved 0-10V sensor or relay, minimum start temperature -13'F, cULus, CE
Hatch MC150-1-F-277U 150watt electronic metal halide ballast with feet 277VAC
SYLVANIA QTP1X100MH/UNV-F 100 Watt Electronic Metal Halide Ballast -Pro Series 46135519147 | eBay