Centium® Electronic Fluorescent Ballast, 120/277 volt, 87/85 watt, 1.7 amp, 50/60 Hz, F39T5HO Lamp, 2 Lamp, 1 Ballast Factor, Programmed Start, 0.98 Power Factor, -18 deg C Minimum Starting Temperature, 70 deg C, Remote Mounting, Metal

• Centium® Electronic Fluorescent Ballast, 120/277 volt, 87/85 watt, 2 X F39T5HO Lamp
• Philips Advance

Centium® Electronic Fluorescent Ballast, 120/277 volt, 87/85 watt, 2 X F39T5HO LampPhilips Advance