400 Watt - BT37 - Multi-Metal Ace - Metal Halide Conversion Lamp - For Use with 400 Watt High Pressure Sodium Ballast - ANSI S51 - M400X/U/LU - Multi Metal Ace - EYE Lighting 51837
5
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Awsome
Allowed me to take a unit that was in storage and put it to work and it works great.
June 10, 2011
works great
for the price you can't beat it. it also works fine on the newer digital ballasts as well as the old style core and coil
June 7, 2011