G-LEAF Horticulture 40"x40"x80" 600D Reflective Diamond Mylar Window Grow Tent Non Toxic Hydroponic Indoor Room (3.3'x3.3') High Quality Non-toxic 600D Canvas & Ultra Reflective Diamond Mylar,3.3ftx3.3ftx6.7ft Steel Corner and Double Protection Each Corner for Sturdy Stable. NOT CONTAIN LIGHT ADN CARBON FILTER AND ROPE HANGER AND DUCTING Stronger 16mm Powder Coated Steel to Powerful Hanging, Steel Corner and Double Protection Each Corner for Sturdy Stable Heavy-Duty Metal Thicken Zipper to Keep Use From Annoying and Hard Assembles Easily in Minutes Without Tools Follow the Manual Instruction