We have placed the Blueair Blue Pure 511 air purifier in our kitchen area and we are just amazed by the impact it is have on our air purity. We have pets and allergies are in full swing, so this compact and lightweight Blue Pure 511 is perfect for the space and our needs. The one-button control for night mode, everyday mode, and boost mode is so easy to use. And the design of the Blue Pure 511 dresses up any room in the house!