COM-FITTM Super High Filtration Face Mask Features two-way DELNET® film barrier that provides fluid resistance with excellent breathability 99% PFE filtration at 0.1 micron Foam Strip keeps glasses fog free  Available in Ear Loop or Tie On design Available with Anti-Fog face shield REF 20326  40/Box  Ear Loop REF 20336  40/Box  Tie On REF 20328  25/Box  Ear Loop w/Shield