For those that need efficient air-cooling, the LumeCool has 6'' integrated air-cool fittings for maximum air movement. The internal reflective surface is made from AlumaBrite, a highly reflective imported aluminum. The socket assembly and 15' lamp cord are built into the reflector. It comes complete with tempered glass and wire hangers. It will accommodate all bulb sizes. It measures 20.625'' x 18.125'' x 8.5''. Vent to vent measures 24.75".