🚪 Keep the Outside Out with Style! Fireproof, anti-erosive metal case for longevity. Choose between high and low speeds for optimal performance. Optional door switch for automatic operation. Blocks 90% of external air, dust, and smoke. Tailored specifically for standard commercial door sizes. 1350 CFM Power 120V Efficiency Easy Install The Awoco 42" Super Power Air Curtain is a commercial-grade solution designed to maintain a comfortable indoor environment by effectively isolating it from external air, dust, and smoke. With a powerful airflow of 1350 CFM and dual-speed settings, this UL Certified air curtain is easy to install and perfect for standard 42" doors, ensuring energy efficiency and durability.