Bird Guard Outdoor Vent Cover,Fits 3-4 Inch Vent Hoods, Black | Dryer and bathroom exhaust vent cover, durable plastic universal bird guard prevents birds, rodents and debris from entering

OUTDOOR VENT COVER: Sleek, low-profile styling pairs a protective cover with an open-grid guard for a tidy, polished look. Fits standard 3-inch and 4-inch dryer vents and bathroom exhaust vents.
BIRD & RODENT BARRIER: This protective dryer vent bird guard serves as a physical shield to block nesting birds, rodents, and debris from entering your dryer and bathroom exhausts, while letting your existing vent hood open and close normally without restriction.
OPEN-GRID AIRFLOW DESIGN: Open-grid construction lets exhaust air and stray lint pass through dryer vent and bathroom exhaust vent systems. The detachable bird guard simplifies periodic cleaning.
DURABLE PLASTIC CONSTRUCTION: Built from weather-resistant plastic for outdoor venting applications. Appropriate for installation over exterior dryer vent covers, bathroom exhaust vents, and other exterior vent hoods exposed to sun, rain, and seasonal weather.
EASY INSTALLATION: Works with most 3-inch and 4-inch dryer vent covers, bathroom exhaust vents, outdoor vent hoods, and vent caps. Installs using four built-in mounting points. Mounting screws not included