The Brown No-Pest 4 in. Vent is a high-performance exterior exhaust vent designed for dryer, bathroom fan, and range hood applications. Featuring a patented pest-resistant design, this vent helps prevent birds, rodents, insects, and debris from entering the duct while maintaining excellent airflow. Its durable UV-resistant construction and brown finish blend seamlessly with a variety of exterior surfaces.

• Fits standard 4-inch exhaust ducts
• Patented pest-resistant design helps keep birds, rodents, and insects out
• Integrated backdraft damper helps prevent outside air from entering the duct