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
MH 400W/U/LU 400 Watt S51/E Metal Halide Retrofit Bulb – Green Electrical Supply
Halco Medium 400 Watt Base Light Bulb, 120V | Leslie's Pool Supplies
Plantmax – 400 Watt Metal Halide Sky Blue 7,200K Lamp – Allstate Garden Supply
Extra Large Vintage 400 watt Sylvania Mercury Street Light Bulb – Toledo Architectural Artifacts, Inc
Metal Halide Replacement Bulb - 400 Watt H-4733 - Uline
Philips MH400/U 34415-0 Metal Halide Bulb | 400 Watt Metal Halide Bulb | M59/S | MH400/U
400w HPIT Plus Tubular Metal Halide Discharge Lamp 645 4500k Cool White [Giant Edison Screw - E40 - GES Cap] (Philips 400HPITPLUS VZ) - - Amazon.com
Sylvania 64036 M400/U/ED37 | HID Metal Halide Lamp | CityLightsUSA.com
BLE-400-SuperFlood™ 400 Watt Metal Halide (HID) Bulb (For Model UV-400 - Spectro-UV
400 watt, blue enhanced lamp, metal halide, Ultra Sun, grow lights
GE Lighting Metal Halide Light Bulb, ED37 Outdoor Light Bulb, 400-Watt, 36000 Lumen, E39 Mogul Base, White, 1-Pack, Multi-Vapor HID Light Bulb, High Intensity Discharge - High Intensity Discharge Bulbs - Amazon.com
400 Watt Metal Halide Mogul Base ED37 Lamp
MPI 400W/BU/LU 400 Watt S51/O Metal Halide Retrofit Bulb – Green Electrical Supply