One of the best are FAKRO and VELUKS windows, where fakro is offered in a wide range, the frames of which are made of both plastic and wood. By the design, they are medium -for -turn, with a combined opening system, with a raised axis, a window of a balcony, as well as windows of various configurations for an individual order. The outer glass in all models of the windows is completely tempered, which guarantees reliable protection against hail, branches and snow. A special ventilation valve is located in the upper part of the window box. In addition, in some models, the FAKRO windows have a special self -cleaning glass, which allows you to completely decompose organic compounds.