This 9-Inch T5 22W Fluorescent Bulb is a perfect solution for replacing bulbs in Zadro mirror models SLV410, SLW410, SLVT410, and SLVT710. It has a 9” diameter circular T5 bulb, ½” length tube, 8” inside ring diameter, and a 4 pin connector type, with outside facing prong connection. Its 22 watt fluorescent tube round bulb light provides soft white light with 6400 Kelvin, for indoor use.