The ventilation grille can be used as a vent. The ventilation grille made of high quality stainless steel. It is sturdy and corrosion resistant. The exhaust hood has built-in oblique mesh ribs and insect nets that can prevent foreign objects from entering. The stainless steel hood is easy to install and maintain. It can be fixed to the wall or connected to the pipe. The door grille is suitable for indoor and outdoor use. Strength and high-quality materials ensure a stable construction of the product and protect it from deformation. The louver grille is perfect for showers, bathrooms, attics, offices or rooms with ventilation systems. Note: The data are all measured manually, please allow 1-3 cm error Due to differences in light and display, there may be color differences, please refer to the actual item received.