The Dyson Airblade V towel is equipped with two HEPA filters, one on each side of the appliance. Each filter captures 99.95% of the particles of the same size as the bacteria in the air in the toilet. The Dyson Airblade V towel takes just 12 seconds to dry your hands. Users spend less time in the bathroom, and it is easier to manage periods of intensive use. The Dyson V4 digital engine runs up to three times faster than a traditional engine, generating the power that makes Airblade technology possible. The only towel certified globally as hygienic by both NSF and HACCP International. The fastest to dry hands hygienically with clean air from HEPA filter.