The G700 Circular Soffit Ventilator is designed to be fitted before or after installation of soffit boards. The airflow passage consists of evenly spaced slots specifically sized to prohibit large insects gaining access but wide enough not to be blocked by debris, paint or water droplets

The G700 Circular Soffit Ventilator (A) should be a “push” fit into a 70mm (2.75”) diameter hole drilled into the soffit board as shown in Data Sheet

Free Airflow

2150mm² per G700 

To achieve 10,000mm2/M of free airflow the G700 should be fitted at 200mm centres. 

To achieve 25,000mm2/M of free airflow the G700 should be fitted at 86mm staggered centres as shown