Overpressure shutter in a slimline design for the closure of external openings. Automatic function; opens and closes when fan is activated / deactivated.
Corrosion free and weather resistant
Manufactured in break resistant UV-resistant plastic.
Colour is classed as light grey (VK 160 white).
Suitable for airflows up to 8m/s.
Can be used in conjunction with Airflow Developments Ltd. square shutter transition to round piece.
