A half-mask is a mask that covers half the face. It may mean:

• a mask covering from below the eyes to below the chin
  • a dust mask
  • a filtering facepiece respirator
  • an elastomeric respirator

• a mask covering the eyes and perhaps the forehead and/or nose, but not the mouth.
  • a half-face diving mask

This disambiguation page lists articles associated with the title Half-mask.
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