Ensure proper airflow with our galvanized steel louver vents – fixed or adjustable blades, with bird screens. The zinc coating resists rust from condensation and rain infiltration. Flanged frames for easy wall or roof mounting. Available in sizes 8″x8″ to 48″x48″. Deep baffle design prevents water entry. These galvanized steel vents are lightweight yet strong. Also suitable for attic, kitchen, and dryer exhaust. Meet building codes. Improve ventilation efficiency with durable galvanized steel louver products.