LED Retrofit Lamp for Metal Halide Fixtures|Lighting Supply Outlet
Amazon.com: Topaz 74366 400W HID Equivalent LED Corn Light Bulb 14,400LM 5000K 100W Daylight Ballast Bypass 120-277 Line Voltage Mogul Base EX39 (DLC Qualified) : Everything Else
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
400W Low Bay Retrofit LED Bulb - 130 Watt - 16,000 Lumens - 4000K Cool White - Replaces 400W Metal Halide Bulb - Ballast Bypass
LED Retrofit Bulb - 400W Equal - Mogul Base - RAB HID-110-H-EX39-840-BYP-SB-G2 | CityLightsUSA.com
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