Wet Brush Pro - Paddle Detangler. Flex Dry™ Vent Brush has Dual Flex technology which provides twice the detangling power.. Exclusive HeatFlex™ bristles gently detangle while the flexible brush design contours to the scalp enhancing the detangling experience.. The brush is lightweight with a vented design so that hot air from the blow dryer reaches hair easily drying hair up to 30% faster.