Extra 20% Off Sale
promo code: SPRING20
*Sale ends midnight 4/30/24 or while supplies last.
Skip to content
Back to blog

WSJ put eight N95 and KN95 masks to the test and found not all tested at the required 95% filtration efficiency. To watch experts’ tips for spotting a lesser quality mask, visit https://www.wsj.com/video/series/in-depth-features/what-to-look-for-in-a-covid-19-mask-not-all-n95s-are-created-equal/2D0DD728-FB51-40D7-9547-F7A77C4C467F

author avatar
Envo Mask
Envo®mask is manufactured by Sleepnet Corporation, a world leading producer of sleep apnea and non-invasive ventilation masks. All our masks are made in the USA with US and globally sourced materials. For more than 25 years, Sleepnet has been manufacturing masks in Hampton, NH, and selling them worldwide in over 50 countries.
See Full Bio
Envo Mask
Envo Mask

Envo®mask is manufactured by Sleepnet Corporation, a world leading producer of sleep apnea and non-invasive ventilation masks. All our masks are made in the USA with US and globally sourced materials. For more than 25 years, Sleepnet has been manufacturing masks in Hampton, NH, and selling them worldwide in over 50 countries.

Related Articles

What is the difference between a cloth face mask and an N95 respirator?
What is the difference between a cloth face mask and an N95 respirator?

At the beginning of the COVID-19 pandemic in the United States, the general public was urged to wear cloth…
How does an N95 respirator help to safeguard you in areas with poor air quality caused by pollution or wildfires? 
How does an N95 respirator help to safeguard you in areas with poor air quality caused by pollution or wildfires? 

How does an N95 respirator help to safeguard you in areas with poor air quality caused by pollution or…
Testimonial from an Emergency/Trauma RN
Testimonial from an Emergency/Trauma RN

“Working in the ER during the pandemic, I’ve had experience wearing a lot of different types of N95s and…