Protecting workers against inhalation hazards has been a concern for more than 2,000 years. As far back as the first century, miners used animal bladder skins to protect themselves from inhaling toxic dust. In the present day,...

OHD is committed to the research and future development of Respiratory Protection. That is why we have recently partnered with the University of Washington and their School of Public Health.

Let’s talk about fit testing. Fit testing should identify a mask that best suits you, and this includes it being suitable for your job. When you go to fit test your mask, the most important part is walking away with the...

OHD is extremely excited to announce the hiring of a new Product Manager, Stephanie Lynch.

OHD has recently partnered with the Chun Shan Medical University and provided them with an OHD Quantifit mask fit testing device. Providing these up and coming students with the capabilities to see and test with OHD's controlled...