Alen is a leading manufacturer of innovative appliances that improve your indoor air quality. Founded in 2002, Alen strives to manufacture quality air treatment products that push the envelope on features, style and performance—all at affordable prices. Alen air purifiers provide multi-level filtration for comprehensive air cleaning. Each unit is equipped with both an industry-gold HEPA filter and carbon filtration. These air purifiers are easy to use and maintain. Plus, Alen is one of the only manufacturers in the industry to offer a lifetime warranty on all of its air purifiers. When properly maintained, these products are guaranteed to provide you cleaner air for life.