Gorilla Grow Tent GGTLL22 LTGGT22 Tent, 2' x 2.5' x 5'7", Black Height Adjusting with the patent pending adjustable extension poles (sold separately) allowing you to increase the height of your grow tent from 5 7 to 6 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