RZ Testing Facility Expands

   Nelson Laboratories is a crucial element to the RZ Mask. Our filters have been tested at Nelson’s state-of-the-art facilities allowing us to stand behind our claim of 99.9% filtration down to 0.1 microns.    Out of Salt Lake City, Utah, Nelson is the largest U.S. provider of life-cycle microbiology testing services for the medical devices, ph...
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