Tungsram MH400/U/TU Metal Halide Lamp 400 Watt - Amazon.com
150W Led Corn Light Bulb,E39/E40 mogul Base,5000k,110 to 277V,19500 lm,CFL HID 400W Metal Halide Replacement For Industrial High bay lighting High Ceilings,Parking lot,Warehouse,Factories(2-Pack) - Amazon.com
100W LED Corn Cob Light Bulb,Replace for 400 Watt Metal Halide HPS CFL HID lamp,5000K E39 Mogul Base,for Commercial and Industrial Lighting Bay Light Fixture Warehouse Workshop Gyms - Amazon.com
Howard Lighting MH400/U/ED28 400W Metal Halide Lamp - High Intensity Discharge Bulbs - Amazon.com