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The Filtering Efficiency Of Face Masks Varies Greatly

Face Mask on Young Woman

Shop smart and remember…The filtering efficiency of each type of mask or face covering varies significantly.

All masks do NOT offer equal protection.

For instance, the ‘N95 mask’ blocks 95% of tiny particles (to 0.3 microns) when fitted properly.

Other medical masks (called ‘surgical masks’ or ‘procedural masks’) filter out between 60% and 80% depending on the type.

Cloth masks and homemade masks filter out varying degrees of particles and while some are good many offer much less filtering efficiency and protection depending on the materials used, how many layers, the fit, the construction and so on. But any face covering is much better than no mask at all.

Note that on the CDC website (SEE GRAHIC BELOW) the CDC graphic comparing the N95 mask to surgical masks indicates that the surgical mask “Does NOT provide the wearer with a reliable level of protection from inhaling smaller airborne particles and is not considered respiratory protection”

CDC - Facemask Graphic
CDC Face Mask Graphic

In other words, a surgical mask may help the wearer from spreading a virus but will not adequately protect the wearer from incoming germs. The takeaway is that protection for the wearer requires an N95 mask or better!

Since N95 masks are supposed to be reserved for medical professionals since there is an inadequate supply of these masks for medical people, the public is mostly left with mask choices offering widely differing filtration effectiveness, possibly averaging around 65% according to some estimates but certainly higher in some circumstances but no doubt much lower with many others.

So, for those of us who consider masks a life and death issue, mask selection is critical.

Why use a mask that provides 40% protection or 65% protection when you can use one that offers 95% protection or even higher?

Why use a mask that would fail to protect you 35% of the time.
Or 50% of the time.
Or less.

You certainly would not get on a plane that crashes 35% of the time.
Or 50% of the time.

So, why risk getting a potentially fatal virus by these amounts?

Remember that masks that are not fitted properly, for instance, those masks with gaps such as is common with surgical masks or most cloth masks, will offer greatly diminished protection. Maybe as low as only 34%.

So mask selection can make a huge difference for your personal safety. There are a number of excellent choices for efficient face masks here in the U.S. that offer excellent filtration. There are also many in Europe and Asia that we have found in our shopping research.

Here on Review Werx we’ve done profiles of some of the better choices available here in the U.S. as well as one from Europe. While there are a number of good masks available in Europe we have profiled one of our favorites from that region by a company called Respilon out of the Czeck Republic.

They make a product called R-Shield which is a neck gaiter (or scarf) with a nano filter membrane with filtering efficiency to the tune of around 99%. That’s even better than an N95 and a heck of a lot more comfortable. We’ve purchased a number of R-Shields and they are our favorites. But there are some other good ones that we have profiled on this site as well.

Note: Please excuse my spelling. In a number of places on the site I misspelled gaiter as gator…

References:

https://journals.sagepub.com/doi/pdf/10.1177/153567601001500204

https://pubs.acs.org/doi/10.1021/acsnano.0c03252

https://www.nytimes.com/interactive/2020/health/coronavirus-best-face-masks.html

https://www.nytimes.com/2020/04/10/well/live/coronavirus-face-masks-guides-protection-personal-protective-equipment.html

https://www.fda.gov/medical-devices/personal-protective-equipment-infection-control/n95-respirators-surgical-masks-and-face-masks#s2

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  • Home
  • Sponsored Blog Posts & Ads
  • Protective Face Masks
    ▲
    • The Filtering Efficiency Of Face Masks Varies Greatly
    • REVIEW – Respilon Protective Face Masks and R-Shield Neck Gators
    • REVIEW – O2 Safe Air Mask
    • REVIEW – O2 Nano Mask
    • REVIEW – RZ Mask
    • REVIEW – Vogmask
  • MEDICAL TESTS
    ▲
    • REVIEW – ‘T-Detect’ Test from Adaptive Technologies to Measure Past Covid Infections
    • REVIEW – STDcheck
  • Mattresses
    ▲
    • Mattresses: Memory Foam vs. Natural Latex
    • REVIEW Eco Terra Latex Mattress
    • REVIEW Latex For Less Mattress
    • REVIEW Plush Beds Mattress
    • REVIEW Essentia Mattress
  • POLITICS
    ▲
    • The Core Differences Between Democrats and Republicans
  • MUSIC
    ▲
    • Harry Styles Gets My Vote For Best Performance and Best Song at the 63rd Grammy’s
    • Bobbie Gentry Wrote and Sang ‘Ode To Billie Joe’ – A Mysterious Classic From 1967
    • REVIEW ‘Murder Most Foul’ by Bob Dylan
    • R.I.P. Little Richard – One of the Greats of Rock and Roll
    • Rolling Stones Song – Living In A Ghost Town
    • The Doobie Brothers Performing ‘Black Water’ Live in Isolation During the Pandemic
  • CBD on Amazon
    ▲
    • Why Consumers Should Avoid Buying CBD and Hemp Products on Amazon
  • Business Services
    ▲
    • REVIEW – Shopper Approved
    • REVIEW – Reseller Ratings
  • Financial
    ▲
    • Legendary Investor Jeremy Grantham Says We’re In An Epic Stock Market Bubble That Will End in a Crash That Rivals 1929
    • New Pacific Metals: Huge Opportunity or Big Hype Job?
  • Tactical Flashlights
    ▲
    • REVIEW Nitecore E4K Tactical Flashlight
    • REVIEW Klarus G15 Tactical Flashlight
  • PSYCHICS
    ▲
    • REVIEW Psychic Source
    • REVIEW Kasamba Psychics
    • REVIEW California Psychics
    • REVIEW Hollywood Psychics
    • REVIEW Keen Psychics
  • ASTROLOGY
    ▲
    • REVIEW Cosmic Energy Profile
  • Water Filters (Coming Soon!)
    ▲
    • Contact
  • MOVIES (Coming Soon!)
  • Marketplace
    ▲
    • Bitcoin Domain For Sale
    • FOR SALE – Peter Tunney Original Art “Frank Sinatra – Look Magazine” Authentic – Signed
    • FOR SALE – Peter Tunney Original Art “Coca-Cola” Authentic – Signed
  • Blog
  • CONTACT