Okaybulb 200W LED UFO High Bay, 400W HID Replacement, 26,000 Lumens, DLC Premium (Okaybulb 9549) – OkayBulb
Satco S4833 400w Metal Halide HID Mogul base ED37 4000K – BulbAmerica
SYLVANIA - HID Lamp: Metal Halide, 400 Watt, Commercial & Industrial, Mogul Base - 11289360 - MSC Industrial Supply
Amazon.com: Vegelumax MH 400W Metal Halide HID Grow Light Bulb Lamp with High PAR Enhanced Blue and Violet Spectrum for Indoor Horticulture Vegetative Plant Growth,CCT 6000K,36,000Lumens,E39 Base,1Pack : Everything Else
LED High Bay Retrofit - 400W Equal - RAB HID-115-V-EX39-840-BYP-HB-G2 | CityLightsUSA.com
Feit Electric 400-Watt ED28 Shape Clear Metal Halide High Intensity Discharge E39 Mogul Base HID Light Bulb (1-Bulb) MH400/U/ED28/HDRP - The Home Depot
200W HID Replacement Bulb for 55177 HMI STUDIO 400W Lamp - Walmart.com
Philips® 400w Hid Metal Halide Bulb (3000k) | HD Supply
Light Efficient Design 135W LED - Replaces 400W HID - 17095 Lumens - EX39 Base - 5000K - UL Type B
400W HID EQUAL GEN 5 OMNI / WATTAGE & COLOR TEMP SELECTABLE - Green Ignite