1Durable: The material of the air vent cover has high hardness, toughness, wear resistance and rust resistance, withstanding the wear of daily use, being used for a long time, and meeting your daily needs. 2Safe Assurance: The surface of the air vent cover is treated to be smooth and burr free, which is not easy to scratch your hands during installation and use, and is easy to clean and install. 3Simple Installation: Equipped with predrilling, no drilling or welding and other complex steps, saving time and effort. Users can install it on the air outlet at the bottom of kitchen or refrigerator to prevent overheating. 4Cabnet Application: The air ventilation cover grille is suitable for the ventilation of closed spaces such as cabinets, shoe cabinets, and closets to prevent foreign matter from entering and improve safety. 5Car Suitable: The air outlet cover can also be used in RVs, camping car, Rv electric boxes and other places, helping enhance the heat dissipation.