The Gorilla Grow Tent GGT33 (36 x 36 x 83-inch) is a professionally designed grow tent that is ideal for experts and perfect for beginners. Double your yields with the first ever height adjusting grow tent. This Gorilla Grow Tent is the tallest, thickest, and strongest tents in the market. The Gorilla Grow Tent GGT33 offers 1680D diamond reflective walls that are three to nine times thicker than any grow tent making them light proof, odor resistant, quieter, and very insulated. Gorilla tents also have the strongest frames for maximum safety and security. Other highlights include an infrared blocking roof, double-cinching ducting ports, heaviest duty zippers, durable floor that can actually hold water and large EZ View windows. The doorways zip all the way around to offer complete 360-degree convenient access.