Factory Price 400 Watt Quartz Metal Halide Lamp 400W for Hydroponic Grow Lights - China Hydroponic Grow Lights and HPS Light
Metal Halide Lamp E40 400W 6400K - Electronio
Philips HPI-T Plus 400W/645 – Thomann Elláda
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
Universal Core and Coil Ballast Kit for 400W Metal Halide Lamp 120V to 480V | M400ML5AC4M500K | Bulbs.com
Metal Halide HQIT 400W E40 10,000K from Blv, Venture Lighting