[Compatibility: Compatible with dyson airwrap HS01/05 replacement attachment for part no.971892-07 For Thick & Coarse Hair: Firm smoothing brush for airwrap engineered to effortlessly manage thick and coarse hair providing a smoother straighter finish Reduces Frizz: This smoothing brush for airwrap creates a smoother hair style with significantly less frizz leaving your hair sleek and shiny Automatic Airflow Adjustment: The innovative airflow technology adjusts automatically to follow the brushing direction ensuring a consistently smooth finish Versatile Styling: Ideal for smoothing straightening and combing this for airwrap attachment brush is perfect for daily hair care routines]