400 watt - Grow Light Kits - Plant Grow Lights - The Home Depot
IONBOARD S44, Full Spectrum LED Grow Light 400W, Samsung LM301B, 4x4 Ft. Coverage - AC Infinity
iPower GLBULBM400 400W Grow Light Bulb Metal Halide MH Conversion Lamp for Plants with High PAR Enhanced Blue and Violet Spectrums CCT 6000K
Amazon.com: UNIT FARM 400W LED Grow Light, UF4000 Full Spectrum LED Growing Lights for Indoor Plant, Detached Driver, Upgraded Diodes Array for Evenly Light Output : Patio, Lawn & Garden