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 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!