OHD Blog

Volcano on Hawaii Erupts with Life-Threatening Gases

May 8, 2018

You never know where you might be and what you might be doing when you need a tight fitting mask that has a proper seal. That is where the people on the Island of Hawaii found themselves last Friday when the Kilauea volcano began erupting with yellow and red lava and spewing orange fires with white smoke. But it is the unseen danger that is most crucial to be aware of - sulfur dioxide gas. This type of gas has been said to be an immediate threat to life for all who become exposed.

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TSI to Discontinue Calibration Services for certain PortaCount® Models

Oct 30, 2017

Have you been waiting for the right time to upgrade your fit tester from the TSI PortaCount® to the revolutionary OHD Quantifit®? Aren't you tired of the inconvenience of sometimes having to ensure or generate particles in a closed room with fog machines, candles, salt fog or other means if you need to conduct a fit test? NOW is the perfect time to convert to the OHD Quantifit® to eliminate the hassle with particles. Move to a system which directly measures respirator leak by taking advantage of OHD's $1,500 Trade-In Offer!

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Respiratory Mask Fit Testing with Facial Hair

Aug 7, 2017

The OHD Quantifit: ohdusa.com/products/quantifit

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