1. Vent exhaust cover are the perfect solution for replacing worn and animal damaged vents in your home, keeping insects and rodents out. 2. Tightly sealed, the double-door structure will create a complex roadblock to prevent pests from entering. The vents are tightly closed so insects, especially wasps, cannot nest inside. 3. Features a magnetic closure that blocks airflow and opens easily without restriction when positive air pressure is detected from bathroom and dryer vents. 4. Suitable for bathroom and kitchen exhausts, including dryer vents. 5. Material: PP 6. Dimensions: 17.8 x 19 x 2cm 7. Weight: 103g
