Sunpark Ballast, SL18HPF. Rapid Start, High Power Factor, 120 volt. End of Life Protection (circuit closes when lamp fails). Lamp Type - 1 or 2 - F17T8, CFQ13W (Quad), CFM18W, PLT18 watt Triple, PL 18 watt/20 watt 2G11 (4 pin). Power Factor - 0.99, THD < 10%, High Power Factor - 0.99, Minimum Start Temperature - 0 Degree F. Dimensions - Length - 6.0", Width - 1.78", Height - 1.08".
