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
Westinghouse Lighting 400W E39/Mogul LED Light Bulb | Wayfair
HTG 400w HPS Bulb | HTG Supply
Plusrite 1024 MH400/U/MOG | 400W Metal Halide Light Bulb
400W Arc Lamp - Uvitron
Digilux Digital High Pressure Sodium (HPS) Lamp, 400W, 2000K
400W Protected Metal Halide Lamp ED37 M59/O
400 W Metal Halide Tubular Lamp E40 Base Osram Branded 5055875514973 | eBay
400W Replacement LED Corn Bulb 400W Metal Halide Retrofit - 80 Watt, 4000K - Mogul Base; 100-277 volts
Ushio UMH-400/U, ED28 Metal Halide Lamp (400W/4000K/ED28)
PLATINUM M400/U lamp 400w MOGUL E39 base metal halide bulb - MH400 – BulbAmerica