Keystone Technologies 40-Watt 2-Lamp T12 4 ft. Rapid Start Electronic Fluorescent Replacement Ballast

Keystone Technology's T12 rapid start electronic ballast is designed to operate 2 T12 lamps. Featuring 120-Volt to 277-Volt input and high power factor design. See the document below for complete specifications including additional lamp wattages compatible with this ballast.