Item Code: HAMDE4014K *400 watt 14,000K double ended HQI metal halide lamp. *14,000K color temperature. *A bright mix of blue and white light producing a crisp ice blue color. *This bulb is brighter than a 400 watt 20,000K double ended bulb and is an attractive choice for reef tanks. *Use with a 400W HQI ballast or 400W electronic ballast.