3)-Bulbs J78 150W 78mm Quartz Halogen Light Bulb 150-Watt T3 R7S 3" long Anyray | eBay
fidigeilo 150 Watt T3 Halogen Dimmable Light Bulb Warm White (2700K) R7s Base | Wayfair
R7S Bulbs, 5 Pack Halogen Bulbs R7S T3 78mm 150W 120V, J Type 120 Volt Halogen Light Bulb with Long Lifespan, 3 inch Long Double Ended Light Bulb for Work, Security, Landscape