Check the listing for details. Bio Ionic Universal Professional Diffuser. Color: Black, Condition: New. Listed at 29.99 USD. Bio Ionic Universal Professional Diffuser Compatible with the 10X Ultralight Speed Dryer, PowerLight™ Pro-Dryer and the Gold Pro Speed Dryer. Please check your dryer's diffuser size requirements prior to purchase. Diffuser is 2.25" diameter.12 air outlets allow for faster drying time.Slide on diffuser to provide frizz free results with lift. Keep all vents open for increased maximum airflow. Turn dial to lessen air flow.NanoIonic mineral hydrates dry, damaged hair. Smoothes fly-aways and controls frizz. Creates brilliance and shine.**Product is new, box has damage. Your satisfaction is our top priority. Please visit our entire selection in our eBay store.Thank you for shopping with My Shopping Tree! Before initiating a return, please contact us to help expedite resolution of any concerns. Listing and template services provided by inkFrog