ROBERTSON 3M10095 SS2P /M Fluorescent mBallast for 1 F20T12, F15T12, F14T12, F15T8 or F14T8 Linear Lamp, Preheat Self Start, 120Vac, 60Hz, Normal Ballast Factor, NPF Save and order the 2M10095 Quik-Pak of 10 units 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.