These heavy-duty tents make use of an all-steel frame, well-thought plumbing and duct outlets and a high-quality skin that excels at both preventing light leaking as well as ensuing supreme light efficiency through its highly reflective Mylar inner. The large range of sizes allows for multiple room sizes with normal ceilings (2.0m High) and even higher ceilings (2.3m High). Jungle Room tents are heavy duty, featuring 19MM diameter all-steel constructed frames and corners, for long term reliability. Each frame will securely hold up to an extraordinary 80KG of lighting, fans and air filters. They heavyweight, lightproof outer and highly reflective mylar inner means maximum light efficiency. And, with both easy glide zippers and outlet drawstrings, any nutrient odours are sealed inside. The 250MM duct outlets and lower air flaps have been perfectly positioned to allow closed loop air-cooled lighting and internal air circulation, vital for vigorous plant growth. To maintain the perfect environment while checking on plant progress, there are large velcro flaps viewing windows. The jungle Room range also features 9 standard height and 6 industry-leading higher ceiling tents. From door panel with easy access Front door window panels with black out Velcro covers Heavy duty, easy-glide zippers High-density outer material Military-grade mylar inner Side access door Double-stitched seams Extra spill tray flooring Steel support poles – 19MM Steel pole joiners Tent structure – Capacity to carry up to 80KGs Upper Air Duct outlets with drawstrings Lower Air Flaps – Assist with heat transfer from grow lights Plumbing outlets with drawstring Power cable outlets with drawstring