Awareness of Respirator Fit Testing or Face Fit Testing has increased over the years due to an expansion in regulation globally and from impacts of the global pandemic. Many times, the focus is...

Here at OHD, we strive to provide exceptional customer service for you and your employees. Whether it be fit testing, noise monitoring programs or any of our other safety products, we have deemed it...

OHD is committed to the research and future development of Respiratory Protection. That is why we have recently partnered with the Marshall University and their Safety Department.

OHD is committed to the research and future development of Respiratory Protection. That is why we have recently partnered with the University of Minnesota and their Environmental Health and Safety...

OHD is committed to the research and future development of Respiratory Protection. That is why we have recently partnered with the University of West Virginia and their Department of Industrial and...