Advance 71A5570-001D - 150 or 175 Watt - Probe Start - Metal Halide Ballast - 4 Tap - ANSI M57 or M107 - Power Factor 90% - Max. Temp. Rating 221 Deg. F - Includes Dry Capacitor and Bracket Kit
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Worked great
I had earlier bought a cheaper ballast and the lamp would only stay lit for a few minutes. I decided that it had to be the ballast so I bought the Advanced one instead. The price was only marginally more than the cheap one with the big difference being that it worked right away and has kept on working.
June 7, 2011