Hydrofarm BUSD600AG 600-Watt Agrosun Red Sodium Lamp Red sodium lamp enhances flowering, increased crop volume and supplemental greenhouse lighting Produce more, larger and better flowers and quicker than common sodium bulbs Recommended for situations where high output supplemental light is preferred Maximum wattage 600 and initial lumens 90,000 Hid type sodium, bulb orientation universal, color temperature 2000 kelvin