For covering the air intake and outlet apertures of ventilation and air-conditioning installations.
Excess pressure flap with aluminium or plastic louvres, automatic opening and closing.
800 - 8000 m³/h
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.