Brand new in the box. COMPATIBLE WITH: The IQ Diffuser is compatible with Shark HyperAIR Dryers. DEEP BOWL: Holds more hair for styling larger sections, cutting down on drying and styling time. PETAL DESIGN: Creates a more natural hold on curls to maintain volume while you're styling. EXTENDED PRONGS: Reach and lift at the root. Recommended mode for longer, thicker hair. RETRACTED PRONGS: Recommended mode for shorter, finer hair for ultimate coverage and less heat on the scalp. PERFECT YOUR CURLS: The IQ Curl-Defining Diffuser is best for wavy, curly, and coily hair.