Cloth masks poor at protecting you against air pollution

Wearing inexpensive cloth masks in the hope of reducing exposure to air pollution may be of only a little benefit and give you a false sense of security, especially in highly polluted areas, new research suggests. Washable cloth masks are widely used in India and other Asian countries for personal protection against airborne particulate matter....
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RZ Mask deployed to Bagram Airbase, Afghanistan

I've deployed to Iraq for five years between 2003-2010 and Afghanistan from 2013-present and as a former U.S. Army soldier and current Defense Department contractor. Maintaining a high fitness level in deployed environments is very important as physical and mental stressors are numerous and constant. I retired from the Army after 22 years and...
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Where there's smoke, there's wild fire

We noticed something a bit strange yesterday as we drove into RZ Headquarters. The typically crisp, clear Minneapolis skyline was unusually hazy. Being the air quality enthusiasts that we are, we conducted a little research to see what was happening to our air. Turns out, wildfire smoke from Kansas was passing through and significantly raised ou...
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Your Customer Service Was Excellent!

I just wanted to take a moment to write to your company and say how much my wife and I love your masks. We have been using them for a while now and love how they filter out the dust and particles in our wood shop.  Their ease of putting them on and taking them off is so much better than those disposable masks and those more cumbersome tradition...
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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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