Philips ADVANCE AmbiStar RELB-2S40-N Replacement Ballast 40-Watt 2-Lamp T12

GE 8G1024W Magnetic Fluorescent Rapid Start Ballast for (2) F40T12 Lamps

Magnetek 446-L-SLH-TC-P Universal Watt Reducer, Magnetic Fluorescent, 120V, 60Hz

Advance AmbiStar RELB-2S40-N 120V Electronic Ballast Rapid Start F40T12 F34T12

Universal 446 Class P Lamps F40 T12/RS Rated Rapid Start Ballast 120 V 60 Hz

GE 8G1074W Magnetic Fluorescent Ballast (1-Lamp) F40T12/RS 430mA

Sylvania 2 Lamp F40 T12 Ballast Electronic Rapid Start UNV RS SC 120V 277V