The commercial electrical contractor's source for troffer and recessed lighting retrofit kits. Compare and buy lay-in retrofit kits, troffer fixtures, recessed fixture retrofit kits, and more, for your commercial lighting project. Used to increase existing fixture efficiency with a new white aluminum, specular, or MIRO4 mirror reflector.  Allows for delamping to less lamps also using new T8 or T5 technology.  Use the navigation at the left for easy browsing.