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
SANSI 500-Watt Equiv A21 Non-Dimmable 5000 Lumens LED Bulb 5000K Daylight White | eBay
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
10Pcs LIGHT BULB 220-240V 500W 500 WATT J TYPE T3 118mm (R7s) Double Ended Bulbs | eBay
Sunlite BTL 500W/T6/120V/CL/P28s 500-watt 120-volt Medium Pre-focus Based Stage and Studio T6 Bulb, Clear - Incandescent Bulbs - Amazon.com