Light Up Your Life! 💡 Preheat and rapid start technology for instant illumination. Available in a convenient Quik-Pak of 10 units, perfect for projects. Operates at 120Vac with a normal ballast factor for energy savings. Designed for 2 F40T12 Linear Lamps, ensuring optimal brightness. Crosses to multiple models, ensuring a seamless fit for your needs. Rapid Start 120Vac Power Compact Design The Robertson 3P20132 Fluorescent eBallast is engineered for 2 F40T12 linear lamps, featuring rapid start technology and operating at 120Vac. With a normal ballast factor and compatibility with various models, this ballast is perfect for efficient lighting solutions. Available in a bulk pack of 10, it's designed for both convenience and performance.