Philips Advance - 2 Lamp, 277 Volt, 0.14 to 0.25 Amp, 0 to 39 Watt, Programmed Start, Electronic, Dimmable Fluorescent Ballast - 64314727 - MSC Industrial Supply
Advance REZ-132-SC MARK 10 Dimmable Fluorescent Ballast, (1) T8 - Magnetic Circuit Breakers - Amazon.com
Ironsmith Lighting Products Fluorescent & LED Light Bulb Ballast - Dimmable, 120 Volt Input, 8 or 13 Watt F8T5 or F13T5 Type Light Bulbs, Plastic, Metal, Copper Material - Corded Electric - Amazon.com