80W LED Corn Light Bulb, 250W-400W Metal Halide Equal, 5000K (Daylight White), EX39 Mogul Base, 9,956lm, Step-Dimming, 100-277VAC, UL-Listed, Warehouse, High Bay, Workshop, Post-Top Light Retrofit - - Amazon.com
115 Watt - Arcana II Series - E39 LED Corn Bulb -14,900 Lumen - 5000K - Replacement for 400 watt Metal Halide
Simply Conserve Corn Cob 16800 Lumen EX39 Base 400-Watt EQ ED17 Daylight Ex39 LED Light Bulb (2-Pack) in the General Purpose LED Light Bulbs department at Lowes.com
RAB Lighting HID-100-EX39 100 Watt Ballast Bypass Post Top Lamp 100-277V - Replaces 400W MH
GE Lighting 93122140 LED200ED37/740 DLC Listed 200 Watts LED HID Type B Lamp EX39 Base 277-480V 4000K Replaces 400W HPS or 400W MH
LED Retrofit Lamp for Metal Halide Fixtures|Lighting Supply Outlet
160W High Bay Retrofit LED Bulb - EX39 Mogul Base - Type B Ballast Bypass - 400W MH Equivalent - 24,000 Lumens - 5000K | Super Bright LEDs