Differences of Normal Surgical Mask and KN95 Mask
Mar 31, 2020·The KN95 surgical mask is consist of 4 or more layers. There is one more electrostatic Meltblown layer in the KN95 surgical mask. It is thicker than the normal surgical mask and better for your healthy breath protection outdoors. 2. KN95 Surgical is more effective to filter dust, smog, and virus. The FDA regulates surgical masks and surgical ...