220mm 400W Vacuum Halogen Tube for Electric Heat/Directional Heater Machine Infrared Heating Element IR Radiation Quartz Tube: Amazon.com: Industrial & Scientific
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
Feit Electric 100-Watt EQ T3 Bright White Recessed Double Contact Dimmable Halogen Light Bulb (2-Pack) in the Tube Light Bulbs department at Lowes.com
4 Pc Halogen Light Bulb 120V 300W 300 Watt J Type Double Ended T3 Lighting 4.6" - Walmart.com