CAP LumeSun Grow Light Reflector is a small, yet extremely efficient reflector; measures 23'' x 11'' x 7''. Computer designed to put out a very uniform square light pattern. The internal reflective surface is made from AlumaBrite, a highly reflective imported aluminum. It comes complete with tempered glass and 4'' removable air-cool fittings. Reflector comes complete with the socket assembly and a built in 15' lamp cord that will plug directly into a CAP or Sunlight ballast. Hydrofarm ballasts require an adaptor