Products by OHD, Inc.

Introducing the new OHD Quantifit, the Gold Standard in respirator fit testing. Quantifit is twice as fast as any other fit tester and more accurate. The new stand-alone option includes on-board storage of up to 500 fit tests. Quantifit features keyboard input, USB printer connection, USB memory...

OHD/KoKo spirometers offer ease of use, accuracy of the instrument, and robust software, making these spirometers the choice of professionals. These spirometers comply with all the latest ATS directives and offer great flexibility in use and function. Unique to OHD, KoKo spirometers are...