iPower 8 Inch Cool Tube Reflector Hood for HPS MH Grow Light XXL Wing Air Duct: 8'' Dimension: 36 x 32 x 10 in; Up to 6' x 6' light coverage; Fits for 250W, 400W, 600W, 1000W HPS / MH grow light system Built-in 15 feet heavy duty lamp cord (UL Listed) with E39 Ceramic Mogul Socket and standard Hydroponic S-Plug Painted white panels with 0.4mm highly 95% reflective textured German aluminum, can intensify light and enlarge lighting area 8-inch Air Duct ensure air passes easily through both ends of the reflector for maximum inline air cooling and protect your plants from excessive heat Twice the power and efficiency of most other reflectors. Perfect for you to enlarge your grow area and harvest more!