Philips Optanium Electronic Fluorescent Ballast, 120/277 volt, 96/94 watt, 1.6 amp, 50/60 Hz, F32T8 Lamp, 4 Lamp, 0.77 Ballast Factor, Instant Start, 0.98 Power Factor, -20 deg F Minimum Starting Temperature, 70 deg C, Remote Mounting, Metal

• Philips Electronic Fluorescent Ballast, 120/277 volt, 96/94 watt, 4 X F32T8 Lamp, Instant Start
• Philips Advance

Philips Electronic Fluorescent Ballast, 120/277 volt, 96/94 watt, 4 X F32T8 Lamp, Instant StartPhilips Advance