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.
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. The OHD Quantifit® is not only the fastest but the most accurate way to perform a fit test with its 5 step redon protocol and patented controlled negative pressure technology. As used by the Chicago Fire Department.
