GE Lighting FCL 23731 500-Watt Halogen T2.5 Stage Lighting and Studio Light Bulb, 1-Pack - FrankoLighting
Feit Electric 500-Watt EQ T3 Bright White Recessed Double Contact Dimmable Halogen Light Bulb (2-Pack) in the Tube Light Bulbs department at Lowes.com
Anyray (5)-Pack 500 Watt T-3 J-Type Halogen R7S Clear 500W Double Ended 500Watt Bulbs 120 Volt 118mm or 4.56 inches Long - Amazon.com
Light Bulb 120V 500W 500 Watt J Type T3 R7S 118MM Double Ended 4.6inch^^ | eBay
4 X Halogen J Type 500W 500 Watt T3 120V R7S 118MM Double Ended Bulb Light 4.75" - Walmart.com
Xtricity J-Type Double Ended RSC Base Halogen T3 Bulb, Type T Light Bulb 100 Watt, 725 Lumens, 130V, 2700K Soft White, Dimmable, 118MM Halogen Bulb, (6 Pack) - Amazon.com
R7S Halogen Bulbs 500W Dimmable 120V 118mm T3 J Type Floodlight Bulb with Long Lifespan, 2700K Warm White Linear Double Ended Light Bulbs for Work, Security, Landscape Lights, Floor Lamps, 5 Pack -
Southwire 500-Watt EQ T10 Bright White Mogul Base (e-40) Halogen Light Bulb in the Tube Light Bulbs department at Lowes.com
Light Bulb 120V 500W 500 Watt J Type T3 R7S 118MM Double Ended 4.6inch^^ | eBay
Anyray (5)-Pack 500 Watt T-3 J-Type Halogen R7S Clear 500W Double Ended 500Watt Bulbs 120 Volt 118mm or 4.56 inches Long - Amazon.com
How many lumens does a 500 W halogen bulb produce? - Lunares blog
Light Bulb 120V 500W 500 Watt J Type T3 R7S 118MM Double Ended 4.6inch^^ | eBay