R7S Bulbs,5 Pack Halogen Bulbs R7S 118mm T3 300W 120V,4500lm J-Type Halogen Light Bulb with Long Lifespan,4.7-inch Long Double Ended Light Bulb for Work,Security,Landscape Lights,Dimmable,Warm White - Amazon.com
American DJ LL-64514 120V 300 Watt Halogen Lamp - Halogen Bulbs - Amazon.com
Westinghouse Lighting 0497600 300 Watt T3 Halogen Double-Ended Clear Light Bulb with RSC Base (2-Pack), 2 Count (Pack of 1), No Color - Amazon.com
Feit Electric BPQ300T3/CL 300-Watt T3 Double Ended Linear Halogen Bulb with RSC Base, Clear - Amazon.com
Plusrite 3357 - 300 Watt Halogen Light Bulb - T3 - R7s Base - Clear - 2,000 Life Hours - 5,950 Lumens - 120 Volt - Amazon.com