OHD is the home of the new Quantifit Respirator Fit Tester. Test your respirator fit with a 5-step protocol in as little as 2-3 minutes. Not only the fastest, but also the most accurate method of fit testing on the planet!
![Ohd Logo 5a7a42375dea4 Ohd Logo 5a7a42375dea4](https://img.firehouse.com/files/base/cygnus/fhc/image/2018/02/OHD_Logo.5a7a42375dea4.png?auto=format%2Ccompress&w=250&width=250)
OHD is the home of the new Quantifit Respirator Fit Tester. Test your respirator fit with a 5-step protocol in as little as 2-3 minutes. Not only the fastest, but also the most accurate method of fit testing on the planet!