Vertical modular box structures with a cared and compact design, particularly suitable for windows and balconies. Front bar is driven by a couple of rotating flowing arms in side aluminium rails that can even be put inclinated and mounted on windowsills, floors, handrails or walls. Manual working by gear, possibility of working by motor. Application on the wall or at the ceiling. Elements of the structure built in primary leagues of extruded and die-casted aluminium, other components in thermoplastic resin. Exposed screws made of stainless steel. Painting by polyester powder in our factory performed following rigid qualitative standards.Max dimensions: Mt. 4,00 width x mt. 3,00 height. Little arms cm. 60