ROBERTSON 3M10007 SP258 /A 120V Magnetic Preheat Start Normal Power Factor Frequency: 60Hz. CFL Fluorescent Ballast for 1 F25T12 Equivalent to: Philips Advance LC25TP Normal Power Factor Save 12% over the individually packaged version and receive free shipping by ordering our Quik-Pak of 10 units: ROBERTSON 2M10007 SP258 /A CSA/C22.2 Certified, UL Recognized Component Take advantage of ROBERTSON's 60 years of electronic design and quality manufacturing experience