ROBERTSON 3P10001 0C48 /A mBallast, Fluorescent, Preheat Start, T5 (F8T5), 1 Lamp, NPF, 120Vac. Save and order the 2P10001 Quik-Pak of 10 units individually packaged mBallast, operating 4-8 watt T5 fluorescent lamps, UL 935, CSA Certified Commercial grade. Two Year Factory Warranty Go to RobertsonDirect.com for complete technical data. Take advantage of Robertson's 60 years of electronic design and quality manufacturing experience.