Hinge Type devise: Enjoy 180° swing open convenience for easy access, compatible with both ceiling and wall installations without the need for tools. Durable Construction: Crafted from aluminum alloy with a high-temperature baking paint finish, ensuring resistance to moisture, oil fumes, and wear over time. Efficient Airflow: Features louvered airflow and a removable filter that traps debris, allowing for hassle-free cleaning and maintenance. Versatile Application: Perfect for a variety of environments including malls, hotels, kitchens, and bathrooms, blending seamlessly with any decor while maintaining functionality. User-Friendly Maintenance: devised for both professionals and DIY enthusiasts, eliminating the hassle of traditional access doors with easy-to-use features and a sleek matte finish., Manufacturer: QUVUOAIHK