DK LED USA announces today that the groundbreaking DK LED Replaceable Driver System (RDS) Tube Series is now on the DesignLights Consortium (DLC) Qualified Product List (QPL).  The tubes are listed on DLC (www.designlights.org/QPL) under "DKLED" and include the 12 watt, 15 watt, and 18 watt tubes at three color temperatures:  3000K, 4000K, and 5000K.