The AIR1200 (ref) over fascia ventilator has been designed to establish a clear airflow into the cavity between the fascia board and the felt; this makes it a great choice for situations like re-roofing or a new build.

The AIR1200 (ref) has a grill specifically designed to be wide enough not to be blocked by water droplets, debris or paint, but still able to stop large insects from gaining access.