New, never been used black HyperAIR IQ Curl Defining Diffuser. This attachment fits the Shark HyperAIR IQ hair dryer. The diffuser features a deep bowl to dry and style curly hair fast. Diffuser has retractable prongs depending on your hair length. Retract prongs for shorter, finer hair and less heat on the scalp. Extend prongs for longer, thicker hair and reaching and lifting at the root.