What is the filter efficiency?
Thu, 21 Dec, 2017 at 3:07 PM
The Airinum Urban Air Mask is KN95 and KF94 certified, similar to the American N95 and European FFP2 certifications. KN95 is an industry standard and means that the mask provides the intended effectiveness of filtering above 95 percent of particles with a mass median diameter of 0.3 micrometers. To check out our tests or certificate, click here.