Introducing Soffit Vent Type C - an efficient strip-type eaves ventilator perfect for use on roofs with a soffit board between 6mm and 9mm in thickness. With Soffit Vent Type C, you can get optimal eaves ventilation that meets modern building regulations. Soffit Vent Type C is simple to install, using either nails or screws. This vent is also made from tough polypropylene with carbon black added for superior UV resistance, ensuring your device will last longer than similar products on the market. When installed correctly, this product will provide many years of efficient performance. Dont settle for less-than-perfect roof eaves ventilation; ensure your roof performs optimally with Soffit Vent Type C today!Free airflow: 25,000mm per meter