The TSI PortaCountĀ® Respirator Fit Tester is the only proven quantitative fit testingĀ instrument for confidence in accurate real-time results. The integrated real-time technology provides for immediate fit optimization of all types of respirators, including N95 disposable respirators, and for the most comprehensive fit training possible---saving you valuable time and money.

Become one of the so many facilities in the U.S. that already rely on TSI for compliance as required by OSHA.

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