Universal in-line slate vent for use with both natural and man made fibre cement slates. Suitable for air, soil and mechanical extract with fibre cement and natural slates. Please note this comes with a soaker tray. Dimensions Length: 600mm. Width: 300mm. Airflow: 10,000mm2. Features Strong and durable. Simple and fast to install. Provides excellent visual integration with the roof slope. Mechanically fixed. Ideal for roof space ventilation, mechanical extract or soil pipe ventilation. 10,000mm2 free vent space area. Consider usage as part of our larger fibre cement dry fix and ventilation range. Weathertight and maintenance free.