... out-open window with greater safety for tall building.2.Profiles: aluminium alloy, 6063-T5, can be ... 1.The frame is stable and durable aluminum alloy . 2.fly screen material:fiberglass ,stainless steel ,nylon.3. ... & Twine (mm)Width(m)Length(m)12x120.30.6-230,50,10014x140.280.6-230,50,10016x160 ... Container Exterior bifold door with 1 sash or 2 sash Aluminum retractable insect screen,mosquito net,aluminum ...