Traditional masks are designed to block bodily fluids and particulate materials away from the wearer’s face. A ClearMask™ transparent face mask serves the same functions as traditional masks and provides a full, anti-fog plastic barrier, which helps prevent particles or droplets from getting through. A ClearMask™ transparent face mask is not airtight along the sides of the mask, where air circulation occurs, thus allowing for comfort and breathability. All traditional masks have gaps on the sides, so this design is not entirely unique to the ClearMask™ brand. A ClearMask™ transparent face mask is not an N95 respirator; only N95 respirators do not have gaps and are able to filter, with a full seal when fit-tested and properly worn.
For more information, please refer to the U.S. Food and Drug Administration’s website regarding masks and respirators, and the Centers for Disease Control and Prevention's comparison on surgical masks and respirators.