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, LLLP presents the next generation of fit testing instrumentation with the QuantiFit2, which utilizes OHD’s scientifically proven and patented CNP technology.
OHD is proud to work with local and national fire departments to assure safety in the areas of respiratory protection, alcohol test and hearing protection.