Halco ProFormance ProLume 50174 Electronic Fluorescent Ballast, 120 to 277 V, 109 W, 4-Lamp

When you need energy-savings without reducing light output, Halco has the solution. By combining our ProLume high-lumen T8 lamps with ProLume multi-volt low ballast factor ballasts, you reduce energy usage up to 16% while maintaining near equivalent light levels of standard T8 systems.