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from elsiesemail
Price at Office Depot has gone up to $22.99. Price at Bona Fide Masks still $22.90 for earloops; price for headbands now $29.00. Use coupon code SAVE5 to get 5% off right now on either earloops or headbands at Bona Fide Masks.
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From Bona Fide Mask: DUE TO AN INCREASE IN COVID-19 CASES WE ARE NOW OFFERING FREE DOMESTIC SHIPPING ON ALL KN95 FDA AUTHORIZED MASK ORDERS THRU 7/19/20! ALL ORDERS SHIP FROM OUR WAREHOUSE IN NEW YORK!
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from MaroonMaid297
Hey guys don't want to burst your bubble, however, what you are talking about is not a filtration test, but one that has been propagated by social media. You have sadly been misinformed. The only actual liquid barrier test that is performed on respirator masks is for a small classification known as Surgical N95's, which are considered medical devices by the FDA. Also, liquid barrier protection is rated by ASTM and not NIOSH. Your standard N95 from 3m or Honeywell is not designed for liquid barrier protection and the ability of it to hold water has zero impact on filtration. I emailed Powecom after seeing some of these posts just to be sure and recieved the following back:
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IT IS NOT scientific to test qualified KN95 masks by pouring water into them. The dripping test is just a rumor. Firstly, water will destroy the protection ability of the melt blown filtering layer, that means: Water will destroy the effectiveness of the face mask; Secondly, too much water has weight (universal force[Laugh]) , so too much water will drip. Also, : The first layer of nonwoven material can let O2 (= oxygen ) pass through the face mask. That is why, the 1st Layer of face mask cannot 100% block water, especially when there is too much (for example, a cup of Water , too much water !!) pour in the face mask. This is not a scientific test and should not be used. Below are links from actual testing reports from the NPPTL that may be helpful Guangzhou Powecom Labor Insurance Supplies Co., Ltd.KN95GB262699.2898.962020-211.1pdf icon [cdc.gov] Guangzhou Powecom Labor Insurance Supplies Co., Ltd.KN95GB262699.5698.182020-303.1pdf icon [cdc.gov] Just want to make sure you guys have all the information. N95's are not for liquid barrier protection and neither are KN95's. The only liquid barrier protection masks are real ASTM surgical masks and Surgical N95's, which right now should be reserved ONLY for healthcare professionals. |
Statement for the Medical Device Respirator recalls in Canada
Guangzhou Powecom Labor Insurance Supplies Co., Ltd hereby declare that the following two importers are not our purchasers.We have not found any information about the relevant companies in the sales records. Our company has an export license. All exports in our company's name are genuine.
There are many fake products on the market. The products that fail to pass the inspection in Canada are not exported by our company. Obviously these are fake.
Our main task in February, March and April is to provide the Chinese government with a large number of high-quality and qualified masks.We've been on the EUA list since April 3 . In fact ,CDC has always tested the quality of all respirators,in order to ensure that all the respirators imported to the United States are safe and up to standard. The following four test reports were issued by NPPTL and can be read on CDC website： https://www.cdc.gov/niosh/npptl/R...SULTS.HTML
Government of Canada has issued a RECALL on these products.
Health Canada has determined that certain respirators that do not meet performance standards may pose a health and safety risk to users when used in a setting that requires 95% filtration (such as a health care settings).
https://healthycanadian
Useful links regarding mask reuse and cleaning:
USA today has a good simple article about mask cleaning, including N95 (same as KN95):
https://www.usatoday.co
Official recommendation from CDC :
https://www.cdc.gov/niosh/topics/...xtuse.html
There's a dedicated website about disinfecting N95, contributed by renown researchers and professionals:
https://www.n95decon.or
https://www.n95decon.or
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679 Comments
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And the study they do, it show their method pass the N95 test.
https://medium.com/@fixthemask/la...59dbb926a3 [medium.com]
And since N95 not supposed to have much leakage and KN95 allow up to 10% of leakage, then the www.fixthemask.com [fixthemask.com] method that pass the N95 method may be better than KN95(?)
Need to remember N95 usually not as comfortable as KN95 between of tighter fit to avoid air leakage. So using extra rubber bands or rubber sheet will make surgical mask tighter and less comfortable than just surgical mask by itself. May be use it only in high risk area for shorter amount of time.
While I commend anybody trying to help with this, I don't trust any numbers she's putting out. If you can, get your face into a proper 95 mask.
With that said, any mask is better than no mask, so if you feel this method is for you, then by all means go ahead and use it. Though rubber bands hurt like a mofo.
I literally can't find them anywhere for any price.
Exactly my point , which is why the general public has to settle for kn95 unless they have connections in the medical field bringing them masks.... but regardless the kn95 are much better than and cloth mask or the cheap blue masks.... the kn95 filter out some incoming virus while the others do not
While I commend anybody trying to help with this, I don't trust any numbers she's putting out. If you can, get your face into a proper 95 mask.
With that said, any mask is better than no mask, so if you feel this method is for you, then by all means go ahead and use it. Though rubber bands hurt like a mofo.
I was lucky enough to get a few packs of headband-style Powecoms early on from NE Hydroponics. Not sure why those became impossible to find, but whatever. They're still listed on Powecom's site: http://www.powecom.com/eng_product1.ht
Anyway, since then I've bought a few packs of ear loop-style Powecoms as well. A few details on those...
What NE Hydroponics sent me looks a lot like that 4/21 batch with etching that's listed as "counterfeit" on the CDC's site (https://www.cdc.gov/niosh/npptl/r...ed-508.pdf). There are a few differences (e.g. welds where the ear loops attach), though, and the quality is there, as is the little certificate inside the package. I don't think they're actually fake, just indicative of changing standards/practices at one of Powecom's factories. See attached pic.
What the Best Vape shop sent was from the 5/2 batch. Also good quality, as far as I can tell. A few welds were sloppy, but it's not enough to complain about.
I'm glad to have found out about Bonafide. Looking forward to seeing that anti-fake label for peace of mind.
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I was lucky enough to get a few packs of headband-style Powecoms early on from NE Hydroponics. Not sure why those became impossible to find, but whatever. They're still listed on Powecom's site: http://www.powecom.com/eng_product1.ht
Anyway, since then I've bought a few packs of ear loop-style Powecoms as well. A few details on those...
What NE Hydroponics sent me looks a lot like that 4/21 batch with etching that's listed as "counterfeit" on the CDC's site (https://www.cdc.gov/niosh/npptl/r...ed-508.pdf). There are a few differences (e.g. welds where the ear loops attach), though, and the quality is there, as is the little certificate inside the package. I don't think they're actually fake, just indicative of changing standards/practices at one of Powecom's factories. See attached pic.
What the Best Vape shop sent was from the 5/2 batch. Also good quality, as far as I can tell. A few welds were sloppy, but it's not enough to complain about.
I'm glad to have found out about Bonafide. Looking forward to seeing that anti-fake label for peace of mind.
I was lucky enough to get a few packs of headband-style Powecoms early on from NE Hydroponics. Not sure why those became impossible to find, but whatever. They're still listed on Powecom's site: http://www.powecom.com/eng_product1.ht
Anyway, since then I've bought a few packs of ear loop-style Powecoms as well. A few details on those...
What NE Hydroponics sent me looks a lot like that 4/21 batch with etching that's listed as "counterfeit" on the CDC's site (https://www.cdc.gov/niosh/npptl/r...ed-508.pdf). There are a few differences (e.g. welds where the ear loops attach), though, and the quality is there, as is the little certificate inside the package. I don't think they're actually fake, just indicative of changing standards/practices at one of Powecom's factories. See attached pic.
What the Best Vape shop sent was from the 5/2 batch. Also good quality, as far as I can tell. A few welds were sloppy, but it's not enough to complain about.
I'm glad to have found out about Bonafide. Looking forward to seeing that anti-fake label for peace of mind.
I was lucky enough to get a few packs of headband-style Powecoms early on from NE Hydroponics. Not sure why those became impossible to find, but whatever. They're still listed on Powecom's site: http://www.powecom.com/eng_product1.ht
Anyway, since then I've bought a few packs of ear loop-style Powecoms as well. A few details on those...
What NE Hydroponics sent me looks a lot like that 4/21 batch with etching that's listed as "counterfeit" on the CDC's site (https://www.cdc.gov/niosh/npptl/r...ed-508.pdf [cdc.gov]). There are a few differences (e.g. welds where the ear loops attach), though, and the quality is there, as is the little certificate inside the package. I don't think they're actually fake, just indicative of changing standards/practices at one of Powecom's factories. See attached pic.
What the Best Vape shop sent was from the 5/2 batch. Also good quality, as far as I can tell. A few welds were sloppy, but it's not enough to complain about.
I'm glad to have found out about Bonafide. Looking forward to seeing that anti-fake label for peace of mind.
Per a reddit thread from Bonafide, they are looking to have headband style in stock next week:
https://www.reddit.com/r/Masks4All/comments/hdvima/kn95_powecom_fda_authorized/fvnoedg?utm_source=sh... [reddit.com]
I was in the market for genuine KN95 masks! Ordered 10 for $29 on 6/22 and the masks were delivered today on 6/29. Anti-fake sticker included - verified genuine masks on manufacturer's website. I'm happy with this purchase
Per a reddit thread from Bonafide, they are looking to have headband style in stock next week:
https://www.reddit.com/r/Masks4All/comments/hdvima/kn95_powecom_fda_authorized/fvnoedg?utm_source=sh... [reddit.com]
Per a reddit thread from Bonafide, they are looking to have headband style in stock next week:
https://www.reddit.com/r/Masks4All/comments/hdvima/kn95_powecom_fda_authorized/fvnoedg?utm_source=sh... [reddit.com]
The masks I purchased from NE Hydro and Back to Normal also had 5 layers (outer, two meltblown, hot air cotton, and inner layer).
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Per a reddit thread from Bonafide, they are looking to have headband style in stock next week:
https://www.reddit.com/r/Masks4All/comments/hdvima/kn95_powecom_fda_authorized/fvnoedg?utm_source=sh... [reddit.com]
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