DuraSteel Wall Mounted Air Curtain Fan - White 48 Inch Air Door - UL Certified Heavy Duty - Commercial Super Power Indoor Over Door Fan with Door Magnetic Switch by Aerial Titan-1

Extended Run Time: Our air curtains feature an optimized motor for continuous operation for thousands of hours, backed by UL certification for reliable use in commercial and residential settings Isolate Environments: Air Curtain is NOT Air Conditioner. The Air Door Fan comes with powerful low-noise airflow to effectively separate interior air from outdoor heat/cold air, dust, bug, etc Safety Priority: Fireproof/anti-corrosion super-thin metal body, never gets deform and rusty. Easy cleaning and maintenance protect your health and escalate your indoor space air quality Effortless Control: Featuring a light magnetic switch to door-triggered on/off functionality, our air curtains offer easy operation and energy savings, extending their service life Various Purposes: Fits various doors such as push & pull door, roll-up door and sliding door. Wall-mounted easy installation to save 80% energy losses compared with a door without air curtain