50% quieter. Acoustically re-engineered to reduce noise. Airblade™ technology combined with the Dyson digital motor V4 creates high speed sheets of air. The Dyson Airblade dB hand dryer is the fastest way to dry hands. It is suitable for all washrooms, particularly where sound levels are an important consideration. The Dyson Airblade dB hand dryer is also engineered to last. With strong construction and robust materials, the Dyson Airblade dB hand dryer is suitable for high footfall, high usage locations where vandalism can be an issue.