CHI Air 9 Row Vent Brush allows for maximum airflow, reducing drying time by 50% and leaving hair smooth and silky with an unparalleled shine. Features CHI Air Expert Series of brushes utilizes Tourmaline Ceramic, the latest innovative technology to produce an exceptionally high amount of negative ions and Far Infrared, which reduce static electricity. Allows for maximum airflow, reducing drying time by 50% and leaving hair smooth and silky with an unparalleled shine. Ion infused Nylon bristles Ball tip won’t snag or pull hair