Simatiks grow tents are perfect for professional and beginner growers who are looking for the best. Simatiks grow tents are manufactured using the thickest material on the market 1680D is 3-9x thicker than competitors 190D -600D fabric. The added thickness makes the walls impermeable to light, resistant to odors, sound resistant, and properly insulated for optimal temperature performance. Built-in easy view windows allows you to monitor your grow without vegetation disruption. Tent includes dual clinching ducts, highly reflective interior Diamond shaped Mylar, a convenient tool pouch, multiple vents to accommodate fans and filters, and an all-metal interlocking frame making this one of the strongest tents on the market. Our Tents also include a free 1′ height extension kit to give you a total height of 7’11”.