150W LED Corn Cob Light Bulb,Equivalent 600 Watt Metal Halide HPS HID CFL,5000K AC85-277V,E39 Mogul Base LED retrofit Bulb,for Commercial Industrial Lighting Warehouse Gyms Workshop Bay Light Fixture - - Amazon.com
Orein 400-Watt Equivalent ED37 Corn Cobb HID LED Light Bulb Daylight (1-Bulb) A837A400NDX3901 - The Home Depot
LED Retrofit Lamps for Metal Halide 400W Replacement
115 Watt E39 LED Corn Bulb -14,900 Lumen - 4000K - Replacement for 400 watt Metal Halide Bulb or HPS - 180bulb - LED Corn Light Bulb
Hy-Lite 100W Lotus LED Lamp 400W HID Equivalent 3000K 14000 Lumens Ballast Bypass 120-277V E39 Base IP 65 UL&DLC Listed HL-LS-100W-E39-30K - The Home Depot
Best LED Replacements for 400w Metal Halide High Bays: Expert Analysis - YouTube
LED Retrofit Lamp for Metal Halide Fixtures|Lighting Supply Outlet
RAB LED Corn COB 100w Replaces 400w Metal Halide Bypass Type B 5000k 13500 Lumen for sale online | eBay