The Timloc Plastic Interlocking Airbrick 9 X 3 Black is an essential component for any building project. This high-quality, durable airbrick, designed to ensure optimum airflow in and out of buildings, is made from robust plastic material. It features an interlocking design allowing for easy assembly and installation. The black colour gives it a sleek and discreet appearance that seamlessly blends with various architectural styles. With its size of 9 X 3, this airbrick perfectly fits standard dimensions, making it a practical choice for most construction or renovation projects.