This economically priced Fulham Pony NPY-120-126-CFL
electronic ballast is a compact one-lamp model that will operate an 18-, 24- or
27-watt twin tube fluorescent bulb, a 26-watt quad tube, a 26-watt triple tube
lamp or a 22-watt Circline bulb. We sell these no-flicker electronic CFL
ballasts by Fulham in 50-count cases at Warehouse-Lighting.com. The ballast
factor is an energy-saving 0.842-1.046. This Energy Star-rated ballast operates
on a 120-volt input, and carries a three-year warranty.