Powerful Air Curtain: Enjoy a powerful air wall with 1500 CFM, creating a tranquil indoor and outdoor condition. It efficiently eliminates dust and bad smell, providing fresh and clean air during both hot summers and cold winters. Low-Noise Operation: Operates quietly to ensure a disturbance-free dining experience. Indoors feel like home, with noise levels equivalent to that of a residential setting, allowing you to enjoy a clean and peaceful space. Two-Speed Settings: Easily switch between two fan speeds to adapt to all seasons. Low speed for energy efficiency and minimal noise, high speed for robust isolation, keeping you cool in the summer and shielding you from the cold in winter. Personalize your air control, all at your fingertips. Two Magnetic Door Switches: Equipped with two magnetic door switches for hassle-free installation. It accommodates both sliding and swinging doors, ensuring seamless integration into your door frame. Corrosion Resistance and Rust Prevention: The slim metal body is highly resistant to corrosion and rust. Designed with a corrosion-resistant metal shell and airflow outlet, the large-diameter fan wheel operates quietly and efficiently. Equipped with a pure copper motor for reliable and stable performance.