PARTICLE FILTER MASK

摘要

The present invention relates to a face mask comprising (a) a mask body portion configured to surround the mouth and at least part of the nose of a wearer; (b) a sealed compressible cushion formed on the inner face of said mask body portion wherein the middle of said cushion is placed in close proximity to the middle of the superior perimeter of said mask body portion, and wherein said cushion is at least partially filled with a fluid.