Features & Benefits
- Prevents drafts and debris, ensuring one-way airflow.
- Durable iron construction with rubber gaskets providing an airtight seal.
- Aluminum butterfly damper blades for minimal airflow disruption.
- Designed for efficient airflow control to maintain air quality.
- Easy installation in 4-inch duct openings, versatile for various applications.
- Long-lasting performance with excellent corrosion and heat resistance.