Plusrite 1024 MH400/U/MOG | 400W Metal Halide Light Bulb
400W Arc Lamp - Uvitron
PLATINUM M400/U lamp 400w MOGUL E39 base metal halide bulb - MH400 – BulbAmerica
Eye Hortilux Blue Daylight Super MH Lamp - 400W Horizontal direct from Growers House
Westinghouse Lighting 400W E39/Mogul LED Light Bulb | Wayfair
iPower GLBULBH400X2 400 Watt High Pressure Sodium Super Grow Light Lamp Full Spectrum HPS Bulb for Plants, 400W, white
SPL METAL HALIDE LAMP 400W - E40 BASE - DAYLIGHT MH-BT400W/D | eBay
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