Orein 400-Watt Equivalent ED37 Corn Cobb HID LED Light Bulb Daylight (1-Bulb) A837A400NDX3901 - The Home Depot
GE Classic LED 400 Watt Replacement, Cool White, ED28 HID Bulb (1 Pack)
Feit Electric 400-Watt Equivalent Corn Cob E26 Base with E39 Mogul Adapter High Lumen Daylight (5000K) HID Utility LED Light Bulb C7000/5K/LED/HDRP - The Home Depot
Feit Electric 400-Watt Equivalent Corn Cob E26 Base with E39 Mogul Adapter High Lumen Daylight (5000K) HID Utility LED Light Bulb C7000/5K/LED/HDRP - The Home Depot
DLC 100W LED Corn Light Bulb, Replacement 400 Watt Metal Halide HPS CFL HID lamp | eBay
105 Watt LED Stubby LED Corn Bulb, Replaces 400 Watt HID, 15,750 Lumens, External Meanwell Driver, Enclosed Fixture, DLC Listed, 5 Year Warranty - LED Global Supply