ghd The Blow Dryer - Radial Brush size 3 (45mm barrel)The large barrel of the ghd the blow dryer radial brush size 3 (45mm barrel) is best for blow drying longer hair. This ceramic barrelled hair brush retains the heat from your hair dryer to allow for a faster blow dry. The essential collection of professional hair brushes for a soft, high volume blow dry. The ghd ceramic vented radial range of brushes delivers shape, volume and shine to your blow dry for a salon fresh style. Benefits: Hollow 45mm