Philips Advance Electronic Fluorescent Ballast, T8 Lamp, 32 W Lamp, 120 to 277 VAC, 0.2 to 0.47 A, 50/60 Hz, Instant Start, Total Harmonic Distortion: 0.1, Power Factor: 0.98, 2 Lamps, Ballast Factor: 0.87, 70 deg C, Metal, 9.5 in L x 1.3 in W x 1 H