ATI 2x24W or 2x39W T5 HO Ballast
ATI 2x39W T5 High-Output Ballast. Programmed rapid start electronic ballast engineered specifically for use with two 39 watt T5 HO fluorescent bulbs. Designed to run bulbs at there recommend wattage. Will not overdrive the bulbs. Bare ballast only; no wiring or power-cord included. (Don't settle for inferior T5 electronic ballasts, like the Workhorse, that are commonly sold.)
Also Compatible with ATI Powermodule and ATI SunPower.