1、Wide Application: The air vent ventilation grille can be used in RVs, camping cars, electric boxes, cabinets, and other places with a wide range of applications. 2、Smooth Surface: The surface of the exhaust port is processed to be smooth and devoid of burrs, making it easy to install, use and clean without scratching your hands. 3、Function: Suitable for the ventilation of enclosed spaces such as cabinets, shoe cabinets, and closets to prevent foreign matter from entering and improve safety. 4、Material: Made of premium aluminum alloy, which is durable, with excellent wear resistance and rust prevention, and can withstand daily wear and tear. 5、Easy Installation: This aluminum alloy rectangular ventilation grille is easy to install with pre drilled holes, saving time and effort without requiring complex steps such as drilling or welding.