Hydro Crunch Hydroponic 6" Cool Tube Reflector with XL Wing Lamp compatibility: MH/HPS 250W/400W/600W/1000W Pre-installed ceramic E39 mogul socket Industry standard S-plug 15-ft. Heavy duty wire cord Dimension: 26" x 25" x 7" (assembled) Duct Size: 6-inch Dimension: 6&#034; x 24&#034; (assembly required) Duct Size: 6-inch Dimension: 26&#034; x 25&#034; x 7&#034; (assembly required) Duct Size: 8-inch Dimension: 42&#034; x 29&#034; x 9&#034; (assembly required)