N: This is a Respirator Rating Letter Class. It stands for “Non-Oil” meaning that if no oil-based particulates are present, then you can use the mask in the work environment. Other masks ratings are R (resistant to oil for 8 hours) and P (oil proof).
95: Masks ending in a 95, have a 95 percent efficiency. Masks ending in a 99 have a 99 percent efficiency. Masks ending in 100 are 99.97 percent efficient and that is the same as a HEPA quality filter.
.3 microns: The masks filter out contaminants like dusts, mists and fumes. The minimum size of .3 microns of particulates and large droplets won’t pass through the barrier, according to the Centers for Disease Control and Prevention (CDC.)
Material: The filtration material on the mask is an electrostatic non-woven polypropylene fiber.
Valve: Some disposable N95 masks come with an optional exhalation valve. “The presence of an exhalation valve reduces exhalation resistance, which makes it easier to breathe (exhale,)” according to the CDC.
You should learn more about Honeywell and their amazing products at https://www.honeywell.com/
You may also have interest in visiting our N95 & surgical mask article.
Due to Covid-19 virus, Honeywell is expanding manufacturing operations in a factory in Smithfield, Rhode Island, which also produces UVEX safety glasses. Those N95 face masks will be delivered to the U.S. Department of Health and Human Services for use to support health, safety and emergency response workers.
Learn more about Honeywell N95 Respirator Masks at their website.
Read more about protective face mask materials, here on Apparel Search.
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