1500W 120V T3 R7s Long Halogen 254mm Bulb by Satco Lighting at Lumens.com
Feit Electric BPJ118/LED LED R7S, 60W Equiv., 800 Lumen, 118mm, Double-Ended T3, Halogen Replacement
Jaenmsa R7S Bulbs, 5 Pack Halogen Bulbs R7S T3 118mm 150W 120V, J Type Halogen Light Bulb with Long Lifespan, 120 Volt Double Ended Light Bulbs for Work, Security, Landscape Lights, Dimmable, 4.6 Inch
R7S ECO Linear LED Halogen Lamp Tube Light Bulbs Floodlights Warm White 240V | eBay