ROBERTSON 3M10091 SP68P /A mBallast, Fluorescent, Preheat Start, 1 Lamp, T5 (F8T5) or 2 Pin CFL (CFT9W/G23), NPF, 120Vac. Save and order the 2M10091 Quik-Pak of 10 units individually packaged Save the most with the 5M10091 carton of 10 units, not individually packaged Commercial grade. Two Year Factory Warranty Go to RorbertsonDirect.com for complete technical data. Take advantage of Robertson's 60 years of electronic design and quality manufacturing experience.