I have 3 dogs a cat and a parrot and I always felt like my house smelled like animals so I decided to get a air purifier this air purifier has helped so much in a matter of just a week my house smells better and I also can breathe better  I have tried other purifier with Nono success but this one has helped so much I am very happy with it I would definitely recommend it too anyone looking to buy a. Air purifier