Metal Halide Lamp, Simple Operation Sturdy Durable Low Power Consumption Light Bulb For Garden For Greenhouse - Walmart.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
TotalLEDS 400-Watt EQ E39 Daylight Mogul Base (e-39) LED Light Bulb in the General Purpose LED Light Bulbs department at Lowes.com