Phillips Advance Optanium 40-Watt (F40T12) 1 or 2 Lamp T8 4 ft. 120/277-Volt Instant Start Electronic Fluorescent Replacement Ballast

The Phillips Advance Optanium 40-Watt (F40T12) 1 or 2 Lamp T8 4 ft. 120/277-Volt Instant Start Electronic Fluorescent Replacement Ballast provides energy-efficient operation for your fluorescent lighting. Designed for compatibility with T8 4 ft. lamps, this ballast can support either one or two lamps, making it versatile for various lighting setups. The instant start feature ensures quick illumination, reducing flicker and enhancing bulb life. With its dual-voltage capability (120/277 volts), it?s suitable for both residential and commercial applications. This reliable replacement ballast is ideal for upgrading or maintaining your existing fluorescent lighting systems.