Sylvania 64034 M400/U/ED28 400 Watt Clear Metal Halide Lamp. Free Shipping!!! - My Lighting Solutions
Osram 281179 - High Pressure Sodium Light Bulb | LightBulbs.com
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
Radium 400 Watt Mogul Base 20,000 K Lamp
Orein 400-Watt Equivalent ED37 Corn Cobb HID LED Light Bulb Daylight (1-Bulb) A837A400NDX3901 - The Home Depot
Henkel 97246 LOCTITE® 400 Watt UV Enhanced Metal Halide Lamp at SkyGeek.com
SYLVANIA 400 watt MH Metal Halide Lamps- FROSTED- mogul base M59 | 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
Dymax 38560 Replacement Bulb Standard 400 Watt
400 watt, blue enhanced lamp, metal halide, Ultra Sun, grow lights
400 W Metal Halide Tubular Lamp E40 Base 5055875514973 | eBay
Olympia Lighting 400 Watt Equivalent, 100 Watt 4000K 208-480V LED Corn Bulb, Ballast Bypass | CL-100W11H-40K-E39 | Bulbs.com