Gavita HortiStar 1000 DE has a replaceable Miro aluminum reflector with 95% efficiency. Specifically designed for high frequency electronic ballasts it has a connection at each side of the lamp, removing the need for a frame wire inside the lamp. For double ended 1000 watt lamps. The lamp cord terminal is shielded by a metal housing. Comes with 13 ft lamp cord. Installation is very easy with two eye bolts. Lamp not included. Reflector dimensions: 20.1 in long x 9.6 in wide x 7.6 in high. If you need assistance in determining if this device is right for your set up give us a call and we will be happy to assist you!