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
Hortilux Metal Halide (MH) HO Lamp, 400W, Horizontal - GreenLightsDirect
Sylvania 400 Watt Clear ED28 Cool White Metal Halide Bulb | M400/U/ED28 | Bulbs.com
Ushio LU-400, T15 LU High Pressure Sodium Lamp 5001127 B&H Photo
Philips MSR400/HR (400w/70v) HMI LAMP 287268 B&H Photo Video
iPower 400 Watt Vegetative Metal Halide MH Conversion Grow Light Bulb Lamp High PAR Enhanced Blue and Violet Spectrums CCT 6000K, 400W, glass - Walmart.com