https://m.westaflex.com/produkt/sonderbauteile/produkteold Snatching some fresh air, going outdoors. The connection quality of life and fresh, clean air has become part of general linguistic usage. Outside we try to avoid places harbouring exhaust gases and fumes. Inside we feel comfortable if the air is fresh. A lack of ventilation does not only lead to a high concentration of carbon dioxide. It also allows for the spread of germs and fungi as the humidity is not regulated. basesyndication https://m.westaflex.com/logo.png https://m.westaflex.com/produkt/sonderbauteile/produkteold