Gorilla Grow Tent LTGGT48 Tent, 4' x 8' x 6'7" Height Adjusting with the patent pending adjustable extension poles (sold separately) allowing you to increase the height of your grow tent from 6 7 to 7 7 Dependable and durable canvas provides a safe and secure growing environment Solid metal interlocking frame Bug resistant adjustable micro mesh pre-filters LITE LINE utilizes an all steel, interlocking, secure, frame. In addition, they still include viewing windows, tightly reinforced seals, strong zippers, and durable fabric