| 摘要 |
<p>A facemask includes one or more airflow intakes in a lower front section of the mask. The airflow intake is capable of directing inward airflow to strike an interior air filter at an oblique angle. The air filter can be replaceable and/or biocidal. In another embodiment, the facemask includes one or more air vents for bidirectional flow of air being inhaled and exhaled by the wearer, a head mounting pad having a single pull to tension the facemask against the wearer's face, a continuous strap positionable under the chin of the wearer, and a nose bridge clip positionable by the wearer before and during the tensioning of the strap. The facemask can also include a transparent eye shield.</p> |
