Elegant 42" Unheated Indoor Air Curtain with Magnetic Switch. 2 speeds of operation: high speed at 989 CFM, low speed at 824 CFM. Easy-Install 12VDC Magnetic Door Switch Included. Automatically Turn On when Door is Open. A HI/LO/OFF switch to select High/Low speed. 110V-120V, 320W Max, 300W Min. Elegant Air Stream with Less Noise for Front Doors or Quiet Area. Top Air Inlet Requires 2 inches Clearance to the Ceiling. Air curtain is a powerful fan that is forcing a high-speed air stream over the entrance to isolate the interior and exterior air environment while blocking 90% of Hot or Cold air, dust, smoke, and flying insects. Air curtains are widely installed at the entrances of the supermarket, theater, hotel, food storage warehouse, residential, etc. High-efficiency motor adopting the technology of German electrical machinery, it runs smoothly with reduced low noise. 2 Speeds of operation ranging from low speed to high speed.
