ROBERTSON 3M10706 SS40BP /C mBALLAST, NPF, 120Vac., 60Hz, (1) G30T8 V2 Offering the broadest ballast/LED Driver line available on Amazon. Case Style 9 Take advantage of Robertson's 60 years of electronic design and quality manufacturing experience. Commerical grade. Two year warranty. Go to RobertsonDirect.com for complete technical data.