Alen air purifiers are smart and user-friendly air purifiers that provide multi-level air filtration for comprehensive air cleaning. Each air purifier features both an industry-gold HEPA filter for removing particle allergens as well as an odor-absorbing carbon filter that locks away odors. Select Alen air purifier models also use newer purification technologies like ionizers and ultraviolet light for multi-faceted air purification. Choose from tower-style air purifiers in varying sizes and a traditional-style air purifier, the BreatheSmart, which is one of the most efficient models on the market. Alen is also one of the only air purifier manufacturers to offer a competitive lifetime warranty. With an Alen air purifier, you'll get cleaner air for life.