Hy-Lite 100W omni-cob LED Lamp 400W HID Equiv 5000K 14000 lumens Ballast Bypass 120-277V E39 Base IP 65 UL & DLC Listed HL-OC-100W-E39-50K - The Home Depot
HALCO LIGHTING TECHNOLOGIES 400-Watt Equivalent 90-Watt Corn Cob ED37 HID LED High Bay Bypass Light Bulb Mog 120-Volt - 277-Volt in Cool White HID90/840/EX39/LED 84113 - The Home Depot
GE Lighting 21259 LED165/M400/740 165W Replace 400W HID Metal Halide
LED Retrofit Lamp for Metal Halide Fixtures|Lighting Supply Outlet
HyLite LED HyLite LED 100W Omni-Cob 400-Watt EQ Daylight LED Light Bulb in the General Purpose LED Light Bulbs department at Lowes.com
400Watt Metal Halide Replacement E39 100W LED Retrofit Corn Bulb 5000K 100-277V | eBay
120W LED Corn Light - 400W MH Equal - 5000K - Ex39 Base - Step Dimming