The 4" x 5' Flexible Aluminum Dryer Vent Duct by Braxton Harris is designed for optimal airflow and efficient dryer operation. Made from high-quality aluminum, this duct is both lightweight and durable, ensuring long-lasting performance. Its flexible design allows for easy installation in tight spaces, while the 4" diameter fits standard dryer vent connections. This duct is ideal for venting clothes dryers, helping to prevent lint buildup and ensuring safe operation. It meets industry standards for safety and efficiency, making it a reliable choice for your home.