Flap valve 125 K black

Indoor valve with spigot and gasket for Ø125 mm duct. Airflow can be adjusted with flip cover, three positions. For wall installation in bedroms, living rooms or other areas where ventilation is needed. Recommended placement high on the wall above a heat source. This placement gives the best mix between fresh air and indoor temperature resulting in a comfortable indoor climate. Can be extended with joint connector, article 09166.