Horizon 6-Inch Reflector with 27-Inch Long Grow Light Measures 27" long; 6" diameter integrated fittings on both ends Highest quality German Aluminum (95-percent Reflective); Tempered glass Includes light socket and 15' cord; Standard universal type cord connector Compatible with Magnetic and Digital Ballasts; Accepts all sizes MH and HPS bulbs Vertical and Horizontal mounting options; Reinforced eyelet hangers; Lightweight; Airtight