Sylvania 48121 - MB2X40277RSSRNK 277V 10/CS 1/SKU T12 Fluorescent Ballast
$22.99
Sylvania 2 Lamp 277 volt Rapid Start Magnetic Sylvania Ballast for 40 watt T12 Fluorescent Sylvania Light Bulb (MB2X40277RSSRNK 277V 10/CS 1/SKU 48121)