The BaBylissPRO Diffuser is a slide-on diffuser that is especially designed to fit Volare V1, Portofino, and Italo Luminoso hair dryers. Fits Italian series full size hair dryers. Its firm fingers add body and volume by lifting and separating hair while blow drying. With the aid of this diffuser, you may also create soft, beautiful curls without any frizz. The Pro Diffuser is perfect for people with naturally wavy or permed hair.