This is the Dyson Airblade dB hand dryer. Every second, it forces up to 35 litres of HEPA-filtered air through apertures up to 0.8 mm wide. Creating 690 km/h sheets of air that dry hands quickly and hygienically. HEPA filter captures 99.9% of particles the size of bacteria. The Dyson Airblade dB hand dryer is made from tough and durable ABS polycarbonate. It’s been repeatedly tested to withstand the pressure of high footfall, high usage washrooms.