LEDwholesalers GYO2501 6-Inch Air Cooled Hydroponic Grow Light Reflector Glass Cool Tube Dimensions: 24.5-Inch L x 18-Inch W x 9.75-Inch H Highly reflective aluminum interior for uniformity and high output Integrated 6-Inch flange for easy mounting of cooling ducts Attached 15-foot lamp cord with connector Includes removable glass lens