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ProfessorChaos 89.4K Views
Dec 19, 2021 11:17 PM

10-Count Powecom KN95 Respirator Face Masks (Black or White)

$7.90

$12

34% off
+ Free Shippingat Bona Fide Masks
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Deal Details
Bona Fide Masks has 10-Count Powecom KN95 Respirator Face Masks on sale for $7.92 when you apply code BONAFIDE10 at checkout. Shipping is free.

Thanks to Community Member ProfessorChaos for finding this deal.

Instructions:
  1. Select from the available color options for 10-Count Powecom KN95 Respirator Face Masks:
  2. Add item to cart
  3. Apply coupon code BONAFIDE10 at checkout
  4. Price will be $7.92 + free shipping
About this product:
  • 46% non-woven polypropelene, 28% melt-blown fabric, 26% ES hot air cotton.
  • Ear loops: Latex-free
  • Nose piece: Adjustable metal
  • Multi-layer filtration system

Editor's Notes

Written by SaltyOne | Staff
  • About this deal:
    • This deal is $4.08 off (34% savings) the retail list price of $12.
  • About this store:
    • This product is manufactured by Guangzhou Powecom Labor Insurance Supplies Co., LTD.

Original Post

Written by ProfessorChaos
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Bona Fide Masks has 10-Count Powecom KN95 Respirator Face Masks on sale for $7.92 when you apply code BONAFIDE10 at checkout. Shipping is free.

Thanks to Community Member ProfessorChaos for finding this deal.

Instructions:
  1. Select from the available color options for 10-Count Powecom KN95 Respirator Face Masks:
  2. Add item to cart
  3. Apply coupon code BONAFIDE10 at checkout
  4. Price will be $7.92 + free shipping
About this product:
  • 46% non-woven polypropelene, 28% melt-blown fabric, 26% ES hot air cotton.
  • Ear loops: Latex-free
  • Nose piece: Adjustable metal
  • Multi-layer filtration system

Editor's Notes

Written by SaltyOne | Staff
  • About this deal:
    • This deal is $4.08 off (34% savings) the retail list price of $12.
  • About this store:
    • This product is manufactured by Guangzhou Powecom Labor Insurance Supplies Co., LTD.

Original Post

Written by ProfessorChaos

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210 Comments

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Dec 21, 2021 1:07 PM
152 Comments
Joined Dec 2015
ScoobyDoo83Dec 21, 2021 1:07 PM
152 Comments
Quote from AmusedShoe273 View quoted comment :
My 7yo son has been wearing these in his second grade class since they came out. 2 weeks before Xmas break, there was an outbreak in his class. 16 kids the teacher and teachers assistant all tested positive, including all the kids at his table. My son did not get it, and I totally credit these masks. Of course there is no way to know for sure. I've been buying from Bonafide for a year, and they are amazeballs. Sorry if this sounds like a commerical.
How much use do you get out of each?
Dec 21, 2021 1:15 PM
84 Comments
Joined Dec 2016
WenYueDec 21, 2021 1:15 PM
84 Comments
Quote from WoWa View quoted comment :
Dude, why engage? Amax is not embarrassed that everybody knows his iphone is made in China. Or his TV, his microwave, his toaster, his coffee maker, his monitor, his keyboard, his mouse, his PS4, and even his sex toys. Everybody knows that they're all made in China, and yet we still buy them because of price and availability.

I'm not a fan of today's China either but until we stop ALL trade with them, acting like they have the cooties makes no sense. Also, I do support a complete stop of all trade with ANY totalitarian regime. It's not just China, there are a quite a few of them around today. Until then, thanks for the coupon!
well, to be fair, nobody wants a big "made in xyz" on the front of what they wear, it's just gaudy and ugly. I'm chinese and I bought these masks, but I really wish they wouldn't put that on the front. For that matter, Powecom should make their entire logo smaller too. It's a good mask, but its gaudy logo looks like one of those free T-shirts that companies give out for advertisements. I have other KN95s sent by my relatives that don't have such an "in your face" design.
Last edited by WenYue December 21, 2021 at 05:16 AM.
Dec 21, 2021 3:04 PM
358 Comments
Joined Oct 2006
cevamalDec 21, 2021 3:04 PM
358 Comments
Quote from ScoobyDoo83 View quoted comment :
How much use do you get out of each?
My kids wear them for a week unless they get damaged, lost, or visibly dirty.
Dec 21, 2021 3:21 PM
71 Comments
Joined Nov 2012

This comment has been rated as unhelpful by Slickdeals users.

Dec 21, 2021 4:40 PM
18 Comments
Joined Dec 2021
VioletSoda999Dec 21, 2021 4:40 PM
18 Comments
These masks won't give you even close to the level of protection that an N95 from 3M, moldex, or honeywell would give you. You can buy 3Ms directly from their website, and others from mcmasters carr, grainger, digikey. Some 3Ms can be as cheap as 80 cents a piece without a sale. I have been buying these for my lab (we work on viral vector engineering) for a long time.

Here's one example of the data. 2.8% KF94 adequate protection vs 73% for a 3M n95. Anything with earloops won't press hard enough.

https://www.ncbi.nlm.nih.gov/pmc/...MC8167410/
1
Dec 21, 2021 4:42 PM
18 Comments
Joined Dec 2021
VioletSoda999Dec 21, 2021 4:42 PM
18 Comments
Quote from khalid7412002 View quoted comment :
You guys should also look into KF94 or KF95 type masks.

I just ordered some for myself so I haven't gotten them yet but from what I've read, they're designed to more comfortable while still offering the same protection as N95/KN95 masks
KN95 is not equal to N95. The filter may be ok, but it doesn't matter when the unfiltered air leaks all around your face. You need headstraps. Kn95 with earloops is a replacement for the surgical mask, which only provides protection from droplets. It will not be good enough for omicron.

https://www.ncbi.nlm.nih.gov/pmc/...MC8167410/
https://pubmed.ncbi.nlm.nih.gov/33481870/

Dec 21, 2021 4:46 PM
18 Comments
Joined Dec 2021
VioletSoda999Dec 21, 2021 4:46 PM
18 Comments
Quote from ScoobyDoo83 View quoted comment :
How much use do you get out of each?
If you want a mask that is actually protective and lasts a long time you should get a moldex 2600. They have headstraps so they actually give you an adequate fit, have a plastic shell on the outside, fabric straps that have a clip and can adjust the pressure on the bottom vs top face. The research shows they have a marginally more leakage than 3M 8210 (gold standard), but it's around a percentage point. They will have tens of times less air leakage than anything with earloops. Surgical masks provide around 50% reduction in infection (SARS #1 data; for omicron it's gonna be worse) and >>properly worn<< N95 around 91%. That means it's 2-fold vs 11-fold reduction in infection. V. big difference.

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Dec 21, 2021 5:04 PM
1.9K Comments
Joined May 2009
khalid7412002Dec 21, 2021 5:04 PM
1.9K Comments
Quote from VioletSoda999 View quoted comment :
KN95 is not equal to N95. The filter may be ok, but it doesn't matter when the unfiltered air leaks all around your face. You need headstraps. Kn95 with earloops is a replacement for the surgical mask, which only provides protection from droplets. It will not be good enough for omicron.

https://www.ncbi.nlm.nih.gov/pmc/...MC8167410/
https://pubmed.ncbi.nlm.nih.gov/33481870/
You're talking about KN while I mentioned KF style masks.

https://pubmed.ncbi.nlm.nih.gov/32845196/

"Viral particles were not found in the petri dishes after coughing while wearing the N95 mask or the KF94 mask. While viral particles were detected in both the inner and outer surfaces of the surgical masks, those were detected only in the inner surfaces of the N95 and K94 masks."
Dec 21, 2021 5:08 PM
18 Comments
Joined Dec 2021
VioletSoda999Dec 21, 2021 5:08 PM
18 Comments
Quote from khalid7412002 View quoted comment :
You're talking about KN while I mentioned KF style masks.

https://pubmed.ncbi.nlm.nih.gov/32845196/

"Viral particles were not found in the petri dishes after coughing while wearing the N95 mask or the KF94 mask. While viral particles were detected in both the inner and outer surfaces of the surgical masks, those were detected only in the inner surfaces of the N95 and K94 masks."
Did you read the papers I linked? If you looked for just two seconds at the figure of the first paper you would see they test KF94. The study you links measures the air coughed out, not how well you are protected. Also n=7 is a very small sample. It's your safety. If you care about being right more than safe, go ahead and get omicron. I am wearing an N95, and so are all the scientists in my lab. I've engineered viral vectors for years, so I think i know a thing or two about this. But you do you.
Last edited by VioletSoda999 December 21, 2021 at 09:12 AM.
Dec 21, 2021 5:25 PM
605 Comments
Joined Dec 2003
GraySquirrelDec 21, 2021 5:25 PM
605 Comments
Quote from VioletSoda999 View quoted comment :
KN95 is not equal to N95. The filter may be ok, but it doesn't matter when the unfiltered air leaks all around your face. You need headstraps. Kn95 with earloops is a replacement for the surgical mask, which only provides protection from droplets. It will not be good enough for omicron.

https://www.ncbi.nlm.nih.gov/pmc/...MC8167410/ [nih.gov]
https://pubmed.ncbi.nlm.nih.gov/33481870/
Code works for the masks with headstraps here: https://bonafidemasks.com/kn95-re...uthorized/
Dec 21, 2021 5:35 PM
1K Comments
Joined Dec 2003
dFreezyDec 21, 2021 5:35 PM
1K Comments
Quote from VioletSoda999 View quoted comment :
KN95 is not equal to N95. The filter may be ok, but it doesn't matter when the unfiltered air leaks all around your face. You need headstraps. Kn95 with earloops is a replacement for the surgical mask, which only provides protection from droplets. It will not be good enough for omicron.

https://www.ncbi.nlm.nih.gov/pmc/...MC8167410/
https://pubmed.ncbi.nlm.nih.gov/33481870/
That's a big stretch to draw those kind of conclusions from these studies. In both cases the readout is 0.02um particulate matter which is not only many fold smaller than SARS-COV-2 virus itself not to mention the requisite droplet/aerosol it would need be within for transmission. Suffice to say, the real world protection isn't accurately measured here.
Dec 21, 2021 5:47 PM
1.9K Comments
Joined May 2009
khalid7412002Dec 21, 2021 5:47 PM
1.9K Comments

Our community has rated this post as helpful. If you agree, why not thank

Quote from VioletSoda999 View quoted comment :
Did you read the papers I linked? If you looked for just two seconds at the figure of the first paper you would see they test KF94. The study you links measures the air coughed out, not how well you are protected. Also n=7 is a very small sample. It's your safety. If you care about being right more than safe, go ahead and get omicron. I am wearing an N95, and so are all the scientists in my lab. I've engineered viral vectors for years, so I think i know a thing or two about this. But you do you.
thanks for the feedback.

Given your expertise in this field, what do you think about these 3M N95 that look more comfortable to wear?

https://www.homedepot.com/p/3M-Au.../316909322
1
Dec 21, 2021 5:58 PM
18 Comments
Joined Dec 2021
VioletSoda999Dec 21, 2021 5:58 PM
18 Comments
Quote from khalid7412002 View quoted comment :
thanks for the feedback.

Given your expertise in this field, what do you think about these 3M N95 that look more comfortable to wear?

https://www.homedepot.com/p/3M-Au.../316909322 [homedepot.com]
These are v. good. We just got these for the lab, and they had some of the best scores for the fit i.e. they fit a large range of faces. There's a higher-end version that has better straps but you have to buy them in bulk: https://www.3m.com/3M/en_US/p/d/v101213340/

As with any respirator, the seal is v. important. Make sure to do the seal check every time when you put on the mask and throughout the wearing time. Ideally, you would do a fit test (there's a kit you can buy but it's a bit complicated), but seal check is prob, the best one can do at home.

https://www.cdc.gov/niosh/docs/20...18-130.pdf
Dec 21, 2021 6:04 PM
18 Comments
Joined Dec 2021
VioletSoda999Dec 21, 2021 6:04 PM
18 Comments
Quote from dFreezy View quoted comment :
That's a big stretch to draw those kind of conclusions from these studies. In both cases the readout is 0.02um particulate matter which is not only many fold smaller than SARS-COV-2 virus itself not to mention the requisite droplet/aerosol it would need be within for transmission. Suffice to say, the real world protection isn't accurately measured here.
I am writing a grant due in a few days so I don't have time to delve into a discussion, but it's a good model for leakage, and leakage is what matters in this case. You are welcome to wear whatever you want, it's your health. If I were you, I would (and do) wear an N95.

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Dec 21, 2021 6:07 PM
18 Comments
Joined Dec 2021
VioletSoda999Dec 21, 2021 6:07 PM
18 Comments
Quote from GraySquirrel View quoted comment :
Code works for the masks with headstraps here: https://bonafidemasks.com/kn95-re...uthorized/ [bonafidemasks.com]
Quote from GraySquirrel View quoted comment :
Code works for the masks with headstraps here: https://bonafidemasks.com/kn95-re...uthorized/ [bonafidemasks.com]
Most likely will have a better fit. I haven't seen a study with these. usually they just call these a Kn95 #1, #2. There's a big variation, some don't do anything, some can do ok. Since one cannot test it effectively at home I stick with 3M and moldex.

Also, 3M VFlex is cheaper than this and has n95 certification. https://www.3m.com/3M/en_US/p/d/v000057779/

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