Do not suffer inconvenience - choose the correct windows! TITAN AF offers various options of airing:
Slot-hole: the top corner of a shutter departs from a frame on several millimeters. About outside such window looks closed.
Step: choose degree of intensity of airing, having smoothly established the provision of a shutter on any distance from a frame to 18 mm.
Winter-year-old: the special mechanism allows to establish in the winter a shutter tilt angle less, and in the summer - it is more.