Spring-Loaded Back Draft Damper Roof Cap

Spring-Loaded Back Draft Damper Roof Cap is designed for use with 3-1/4" x 10" ducts or 8" round ducts, providing efficient ventilation control. This product features a spring-loaded back draft damper combined with a bird screen to prevent unwanted debris and pests from entering your duct system. Constructed from durable galvanized steel, it is finished with a black baked enamel coating that ensures long-lasting protection against the elements. This roof cap is a reliable choice for maintaining proper airflow and protecting your ventilation system. Model Number: 634