Versatile exterior vent cover that fits 3' or 4' dryer or exhaust vents. Suitable for both residential and commercial environments, it provides a simple and adaptable solution for your ventilation needs. Birdreinforced barrier prevents nesting and damage, protecting the vent system and helping keep pests from entering your home. Durable galvanized steel construction delivers strength and wear resistance while standing up to the elements. Designed for long service life in extreme weather conditions. Maintains ventilation integrity with easy maintenance. Regularly inspect and clear lint, dirt, or debris to ensure your dryer or bathroom exhaust operates efficiently. Use scenarios Residential: exterior wall vent for a clothes dryer (3' or 4' vent), protecting the vent and reducing nesting and weather exposure. Commercial: exterior vents for laundry facilities or restrooms in small to medium facilities, offering reliable protection in use environments. Public/commercial buildings: exterior vent coverage in areas prone to birds or debris, helping maintain airflow and reducing maintenance needs.