Sun Hut® Blackouts® are the latest line of Pro Grade grow tents. The Blackout® tent line offers the most complete and diverse collection of tent sizes and configurations to be had. These tents are made from 210D light tight material with a highly reflective interior surface. The frame of the tent uses heavy duty galvanized steel poles and fit securely into our reinforced polypropylene connectors. Easy and quick to assemble tents will have you growing very quickly. Door get admission to locations will depend on the size of tent, which can also be found at the front, side and rear of the tents. Sun Hut® Blackout® Models 70 and higher have more than one door get admission to locations. Other features include clear viewing windows, removable reflective mylar floor liner, adjustable dual sock ports for ventilation and power cords and Micro-mesh ventilation windows. Note: model numbers identify the approximate cubic feet.