DE1000 Lh Reflector: Hydrofarm engaged a renowned American lighting engineer to design the most efficient DE wing type on the market. This DE Wing type reflector delivers uniform growth over a broad footprint. Louvered reflector effectively dissipates heat while operating DE bulb at ideal temperatures for maximum light output and lamp life. Double-ended system delivers higher PAR value with incredible uniformity Open wing design for maximum light output, optimum heat management, and longer lamp life Highly efficient in overlapping multi light configurations Premium aluminum European Hammertone interior: 99.85% pure, 95% reflectivity Vossloh-Schwabe K12 x 30S high temperature lamp holders Please note that for remote usage, a lamp extension cord is required. Compatible cords are 5 foot (CSXCORD5), 15 foot (CSXCORD) and 25 foot (CSXCORD25) options.