Slimline 40" Unheated Indoor Air Curtain with Magnetic Switch. 2 speeds of operation: super powerful high speed at 1271 CFM, low speed at 1033 CFM. Easy-Install 12VDC Magnetic Door Switch Included. Automatically Turn On when the Door is Open. High, Low and Power Buttons to Select High/Low Speed. 110V-120V, 190W Max, 140W Min. Slim Body at 7-3/4" Deep and 8-7/8" High. 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.
