Deflecto HR4BLK/24 4-In. Plastic Wide-Mouth Dryer Vent Hood with Damper and Detachable Bird Guard (Black)

• Vent closure designed for maximum airflow;• For use with 4-in. diameter pipe;• Removable bird guard helps prevent birds and other pests from nesting in vent or entering home;• Durable and weather-resistant; UV inhibitor helps prevent sun damage and cracking;• Damper vent cover opens with ease for maximum airflow;• Remove bird guard periodically to check for lint buildup and debris, and clean if needed;