LED Street Light 135 Watt - 400W HPS/MH Equivalent
Shop EiKO LU400 Light Bulbs & Fixtures
Black Box Kit 400W Hps + Philips Agro 400W
EYEHortilux Super HPS 400W
Amazon.com: iPower GLBULBH400 Pressure Sodium Grow Light Bulb Lamp for Plants High PAR Enhanced Red and Orange Spectrums CCT 2100K, 400W HPS New : Everything Else
Hydro Crunch 400-Watt High Pressure Sodium Replacement HID HPS Grow Light Bulb D911009200 - The Home Depot
Agrosun Red Sodium High Pressure Sodium (HPS) Lamp, 400W - GreenLightsDirect