Light Bulb 120V 500W 500 Watt J Type T3 R7S 118MM Double Ended 4.6inch^^ | eBay
Feit Electric 500-Watt Bright White (2800K) T3 R7 Base Dimmable Halogen Light Bulb (2-Pack) BPQ500T3/CL/2/HDRP - The Home Depot
Feit Electric 500-Watt Warm White (3000K) T3 R7 Double-Ended Tube Dimmable Halogen Rough Service Light Bulb (48-Pack) BPQ500T3/CL/RS/2/24 - The Home Depot