131mm deep aluminium louvre featuring vertical blades and visible mullions. The system combines the best airflow, rain defence and spacial efficiency, delivering Class A rain defence up to 3.5 m/s and an Airflow Class 1.
Overall depth - 131mm
Penetration Class - A up to 3.5m/s; Airflow Class 1; Airflow Coefficient Ce (intake) - 0.466
Pitch of corrugation (nominal)
Vertical blades with 25mm pitch