Enclose your space inexpensively and effectively with the Grow Room Tent. This light blocking & reflective tent is perfect for your indoor garden! The tent is made from thick black canvas and is lined with a thermally adhered layer of thick reflective plastic. Features high quality zippers, 6" holes for venting, and a water-tight double floor to prevent against flood. The structure is made from a 16mm steel tube and boasts steel fan brackets, steel light rod, metal tube connectors, and adjustable nylon straps to fasten in a charcoal filter and blower. Comes with a 4" duct flange. Comes with a pair of 4" and 6" flanges.