Yescom 27x18" Adjustable Wing Reflector Hood Air Cool for HPS MH Grow Light Bulb Tent Indoor Hydroponic Greenhouse Adjustable reflective surface, 2 steel wire ropes adjust lighting area flexibly Overall Dimension (LxW): 27 9/16" x 18 1/2" (70 x 47 cm); Wire Rope Length: 31 1/2" (80 cm) Upgraded 0.6mm thickness aluminum plate with pea texture, high reflectivity up to 95% With UL listed standard E39/E40 ceramic socket for compatibility with most bulbs; Fits for 250W/400W/600W/1000W HPS or MH grow light bulbs Two steel hooks for easy hanging up; Assembly is required, easy to set up