The Hepworth Terracotta Square Hole Airbrick is an essential item for your construction and ventilation needs. Manufactured with high-quality terracotta, this airbrick features a blue/black finish that adds a sleek touch to your project while also serving its functional purpose. It measures 215x215mm making it a perfect fit for standard vent sizes. Designed with a square hole pattern, it ensures optimum airflow and ventilation in your space. This airbrick is not only durable but also resistant to weathering, offering longevity in outdoor conditions.