A vent is a simple device mounted within a window or a shutter-box. Its primary function is to deliver fresh air from the outside. Vents prevent: water vapour condensation on windows; must and mould development; occurrence of the reverse draft and carbon monoxide poisoning.
AIR FLOW CONTROL DEVICE. The VENTO SCHUCO air flow control device is the simplest solution which does not interfere in the structure of a window frame or a casement. To mount the device, it is only necessary to cut out small fragments of the frame and casement seals. The vent, in the case of strong wind, closes and hence, limits the air inflow to the building.