What to Know About KN95 Face Masks

Published by The Wall Street Journal by Austen Hufford on August 3th 2020

Masks made to China’s standards for respiratory protection aim for similar benefits as N95 masks. But there are key differences.

Trump Urges Americans to Wear a Mask
In his first White House coronavirus briefing since April, President Trump appeared to reverse his stance on masks, saying, ‘Whether you like the mask or not, they have an impact, they’ll have an effect.’ Photo: Chip Somodevilla/Getty Images

 
Q: What’s the difference between KN95 and N95 face masks?
A: Face masks known as N95 and KN95 respirators are the common names for regulatory standards used to test their efficacy at filtering out at least 95% of very small particles. N95 is the standard used in the U.S., while KN95 refers to a standard in China.

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