Dyson Airblade™ hand dryers are the only hand dryers to obtain NSF P335 certification for Hygienic Commercial Hand Dryers. Hands are dried in 12-14 seconds using HEPA filtered air which traps bacteria and dries hands with clean air. Airblade V is now 30% quieter, more environmentally friendly, and costs less to operate. Custom ROI and carbon reduction reports are available by contacting Dyson.