Sold in four-packs, Warehouse-Lighting.com’s
Universal 100W metal halide ballast has a power factor of 0.9 degrees and a
minimum start temperature of -20 degrees Fahrenheit. Voltage is
120/208/240/277V. This probe-start HID ballast kit is the equivalent of several
GE, Sylvania and Advance kits and is available at an attractive price.
Warehouse-Lighting.com’s quantity discounts make it even more affordable. This
kit comes with a two-year warranty.