Diva Professional Styling So you\'ve found your perfect dryer and all you want to do is give your hair an extra boost wih a diffuser? But wait, your diffuser doesn\'t fit your dryer! Finally there\'s a solution! Achieve boosted volume and big waves with the truly universal diffuser from Diva. The XXL Diffuser is specifically designed to fit any dryer. Whether your dryer barrel is long, short, thick or thin, this diffuser will fit. Simply slide the diffuser onto the dryer and its unique soft plastic grip firmly and securely holds it into place.