Warehouse-Lighting.com offers the Fulham Pony
rapid-start 120V electronic ballast for 2 x F6T5, F8T5, F13T5 or 1 x F8T5 or
F13T5 applications. This product has a ballast factor of 0.809-1.102 and a
power factor of 0.545-0.602. The minimum start temperature is 32 degrees, and
the ballast comes with a two-year warranty.