ROBERTSON 3P20132 Fluorescent eBallast for 2 F40T12 Linear Lamps, Preheat- Rapid Start, 120Vac, 50-60Hz, Normal Ballast Factor, NPF, Model RSW234T12120 /A (Crosses to 3P20010 Model RSW240T12120 /B)

Higher watts = more light. The 40w T12 fluorescent tube in daylight white will light up a space requiring a lot of light for working purposes. Daylight white is often found in rec rooms, doctors’ offices, furniture stores, fast food restaurants, etc. The ALTO technology this bulb offers provides les...