Sylvania Instant Start Ballast for ONE FT40DL T12 Lamp Universal Voltage QHE1X40UNVDLISNSC

QUICKTRONIC PROStart DL40 ballasts operate DULUX L 40 lamps with maximum efficacy and high lumen output. PROStart DL40 ballasts provide over 20% more lumen output than 34T12 systems. Also, the small lamp diameter and sleek profile provide new design options and improved fixture optics.|PROStart programmed Rapid start ballast|QUICKSENSE ballast technology (end-of-lamp-life sensing)|High luminous efficacy|Virtually eliminates lamp flicker|Quiet operation