400 Watt HID Protected Metal Halide Coated, EX39 Base
TOPAZ 17400HB 400W HID TEMP HIGH BAY PLS START 1-PK | Gordon Electric Supply, Inc.
Feit Electric 400-Watt ED28 Shape Clear Metal Halide High Intensity Discharge E39 Mogul Base HID Light Bulb (4-Pack) MH400/U/ED28/HDRP/4 - The Home Depot
GE 43828 400W Multi-Vapor MVR400/U M59/S R400 HID Metal Halide Light Bulb 4/PACK - Walmart.com
Sylvania 400W Metal Halide HID Light Bulb at Menards®
70-400W CD-7 Electronic Ignitor Starters for HID HPS Lamps Metal Halide Lights | eBay
Light Efficient Design 150W LED - Replaces 400W HID - 19375 Lumens - EX39 Base - 5000K - UL Type B | ProLampSales