Ventilation Duct Cover - The perfect solution for airflow control in your home or office. Featuring a flat back design that covers any size vent hole easily. Experience better indoor air quality with this durable and functional product. Equipped with Anti-Insect Mesh - Innovative fine metal mesh flyscreen for added protection, preventing insects and impurities and improving ventilation. Flat Back Design - The wall outlet cover features a flat back for easy installation and secure connection to ducting of any size, ensuring efficient ventilation. High-Quality Materials - Made of quality checked, tough and durable ABS plastic. Very easy to clean - just wipe it with a damp cloth and it will shine like brand new. Easy Installation Process - Convenient setup. Simply secure the ventilation duct cover grille with fixing screws, glue or silicone. Thank to included screw caps it will look stylish and elegant.