Take a deep breath with the Holmes Mini Tower Air Purifier. This air purifier features an optional ionizer that helps protect from allergens while also tackling odors. It has a viewing window which allows you to actually see all the particles being accumulated in the window! The Holmes Mini Tower reduces allergens such as dust mite, mold spores and pet dander. The chic tower structure is designed to fit into any corner of a room and effectively treat the air around you. Color: White.