Face fit testing

Correct fitting and fit testing of filtering face piece respirators

Fitting the mask

Respirators are available in different designs and sizes. Some are valved and some unvalved – both options provide a high level of protection when worn correctly.

  • Fit testing is a means of assessing how well a respirator seals to a face
  • It has to be an individual test because one model will never fit all and every face is different
  • Fit tests may fail, and protection will be lost, if the mask isn’t being worn properly.
  • Sometimes a mask simply won’t fit an individual, but often a better fit can be achieved by taking more care when putting it on. Wearers must be clean-shaven to get a good fit with a respirator.
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