Westinghouse Rough Service 500 watts T3 Halogen Bulb 9500 lumens White Utility 1 pk - Amazon.com
Ushio JCD Lamp (500W/120V) 1000903 B&H Photo Video
Feit Electric 500-Watt Equivalent Corn Cob E26 with E39 Mogul Adapter High Lumen HID Utility LED Light Bulb Daylight (5000K) (1-Bulb) C10000/5K/LEDG3/HDRP - The Home Depot
Westinghouse Halogen Bulb 500 W 9500 Lumens T3 Clear Carded / 2 - Amazon.com
USHIO FTK 500w 120v Halogen Bulb – BulbAmerica
Light Bulb 120V 500W 500 Watt J Type T3 R7S 118mm Double Ended 4.6 F | eBay
Feit Electric 500-Watt Equivalent Corn Cob E26 with E39 Mogul Adapter High Lumen HID Utility LED Light Bulb Daylight (5000K) (1-Bulb) C10000/5K/LEDG3/HDRP - The Home Depot
Southwire 500-Watt EQ T10 Bright White Mogul Base (e-40) Halogen Light Bulb in the Tube Light Bulbs department at Lowes.com