This Review Title is It won’t fit and the content is: It’s a beautiful diffuser it says that it will fit 2.5 which is what my dryer is, but it does not work it’s probably like another gal had said 2.0 it won’t stretch over the outside I’m gonna have to send it back. I wish it fit..There are other information for this review, one is This reviewer did purchase it and the other is 1 people think this review is helpful.