111904 - Probuilt Lighting - 500 Watt Halogen Commercial/industrial Mogul Lamp 2,500°k Color Temperature, 2,000 Lumens, Dimmable, E40, 1,000 Hr AVG® Life - 2in. x 2in. x 12in.
Feit Electric 500-Watt EQ T3 Dimmable Bright White Tubular Rough Service Halogen Light Bulb (2-Pack) in the Halogen Light Bulbs department at Lowes.com