Robertson 3P20132 Fluorescent eBallast for 2 F40T12 Linear Lamps, Preheat- Rapid Start, 120Vac, 50-60Hz, Normal Ballast Factor, NPF, Model RSW234T12120 /A
- Keystone Ballasts 22 & 32 Watt or 32 & 40 Watt circline, 120V, w/sockets,.
- Operates 2 Circline Lamps:FC8T9+FC12T9 or FC12T9+FC16T9.