Curtron AP-2-42-1-SS Stainless Steel Air-Pro Air Door CurtainThe Curtron AP 2 42 1 SS air curtain is perfect for a variety of applications, including but not limited to bakeries, restaurants, hotels motels, convenience stores, food processing plants, and employee entrances. It has a 1 3 horsepower motor with two speeds and a built in high low off switch. The air curtain has been designed to produce the least amount of noise possible, ensuring it has a quiet operation. The heavy duty directional vane pushes the