Is Alen A350 air purifier worth buying? Alen Corporation is a company focusing on high class air purifiers and related products. Their Alen A350 air purifier specializes in solving health problems caused by bad household air quality, such as allergies, asthma, lung disease and chemical sensitivities. Alen A350 is one classy air purifier targeted at consumers who have high standards for air quality. With dimensions of 18.5 x 8.2 x 17.5 inches, this machine covers a working space up to 750 square feet, which will satisfy a big bedroom, family room or office. It can be wall-mounted or placed anywhere on the floor.Special... Read More | Share it now!