DE1000Lh Reflector : Hydrofarm engaged a renowned American lighting engineer to design the most efficient DE open reflector on the market. This DE Open type reflector delivers uniform growth over a broad footprint. The louvered reflector effectively dissipates heat while operating DE bulbs at ideal temperatures for maximum light output and lamp life. • Double-ended system delivers higher PAR value with incredible uniformity • Open 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. Hydrofarm offers 5 foot (CSXCORD5), 15 foot (CSXCORD) and 25 foot (CSXCORD25) options. Patent Number: D731,109 Bulb not included.