Ge232maxg-n-diy, electronic 2 lamp ballast for the following bulbs: f32t8, f32t8wm, f28t8, f25t12, f25t8, f32t8-25 watt, f17t8, fe15t8, starting temperature -20 degrees Fahrenheit, normal ballast power factor, .87-.98, 9.5″l x 1.3″w x 1.2″h, high efficiency multi-volt 120-277, instant start. This item replaces GE# 72277.