5X Light Bulb 120V 100W 100 Watt J Type T3 R7S 78mm Double Ended 3.13"- | eBay
Phillips Halogen 100-Watt T3 Work and Security Light, Dimmable, RSC Double-ended Base (2-Pack) - Walmart.com
Feit Electric 100-Watt Bright White (2700K) T3 R7 Short Base Dimmable Halogen Light Bulb (2-Pack) BPQ100T3/CL/S/2/HDRP - The Home Depot
R7S Bulbs,5 Pack Halogen Bulbs R7S 78mm T3 100W 120V,1050lm J-Type Halogen Light Bulb with Long Lifespan,3-inch Long Double Ended Light Bulb for Work,Security,Landscape Lights,Dimmable,Warm White - Amazon.com