Protect structures from flood damage while maintaining proper airflow with the Smart Vent® Vented Flood Vent for masonry walls. Engineered to meet flood code requirements, this dual-function vent automatically allows floodwaters to flow through enclosed areas, helping reduce hydrostatic pressure during flooding events. At the same time, it provides everyday crawl space ventilation to help control moisture buildup and improve air circulation. Ideal for coastal and flood-prone construction, this vent is a reliable solution trusted by builders and homeowners alike.