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Clearance Sale on Miller & 3M Elastomeric Respirators & Filters $5.25-9.90 @ Cyberweld

$9.90
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I won't belabor the physics or the science regarding mechanical and electrostatic filtration [sciencedirect.com], or what the differences are between masks and respirators [3m.com]; links are here for those interested.

These are elastomeric half mask respirators and cartridge filters of P100 level filtration (N95<P100). There are multiple types of filters, including those that have additional Acid and Gas specifications; there are multiple types of masks, including very small sizes.

These are actually lower than pre-pandemic pricing (slightly); IIRC I paid $6.25 for a pair of P100s in the years past. I have used these (the 3M ones, not the Miller ones although I have no reason to doubt the quality of those) for many years and they are by far my favorite respirators in terms of fit, breathability, and efficacy.

A sample of products available @ Cyberweld [cyberweld.com]:
  • 3M Particulate P100 Replacement Filter 2091, Pair $5.25
  • 3M Advanced Particulate P-100 Replacement Filter w/Acid Gas Rel. 2296 $8.15
  • 3M Half Facepiece Reusable Respirator 6200 (Medium) $9.90
  • 3M Half Facepiece Reusable Respirator 6100 (Small) $9.90

If asked, I'll share my experiences with these regarding COVID19, but otherwise I'll keep my opinions to myself. Smilie
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Created 07-30-2021 at 08:16 AM by duenor
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natarajanj asked this question on 08-03-2021 at 10:39 AM
08-03-2021 at 10:39 AM
P100s can generally be used until you can't breathe through them any longer... That's how you know they need to be tossed.

That said, I have 20-30 different P100 discs, some of which have been used fairly heavily in my hobby shop, and I haven't really had any get so bad I can notice significant breathing resistance through them.

As others have said, these filters are great for sanding, grinding, anything that kicks up fine dust. They are not suitable for COVID as the masks these interface with don't filter outlet air.
1200mk asked this question on 08-05-2021 at 12:19 PM

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#2
Damn these look like great deals. I remember paying almost $50 for 4 P100 filters.🤣
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#3
This is good, is that site legit?
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#4
Quote from darthkenobi :
This is good, is that site legit?
4.7 out of 5 on TrustPilot. Seems legit
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#5
how many uses can a filter last ?
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Quote from darthkenobi :
This is good, is that site legit?
I've ordered from there a handful of times... for welding equipment. I haven't had any issues.
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#7
Which one to get covid uses? What about home improvement?
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07-30-2021 at 03:18 PM
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#9
If you're debating about whether you should buy a respirator right now, go ahead and do it. Respiratory protection is underrated.
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#10
What's the best filter for spraying paint?
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#11
Quote from TalentedAlpaca1553 :
What's the best filter for spraying paint?
For spraying I just use disposable paper filters, cheap KN95 will do. Typically (at least the way I do it) I don't create a whole lot of aerosol. But sanding, that is where the real danger is, esp lead paint or suspected lead paint. for that I use the good old standby P100... been using those for almost 20 years I think, and when I did not have a lot of money I reused the same set of filters for months on end. meanwhile, the clever guys at work "saved" a whole lot of money... a whopping $10 for the filters and $20 for the mask... by simply going without. I got chuckled at a lot but now that we are all in our 40s ....
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#12
Quote from 1200mk :
Which one to get covid uses? What about home improvement?
The 3M article regarding filters, masks, and COVID19 is linked in the OP.

In short, P100 > N95 in terms of filtration, and elastomeric masks are basically the best short of the really esoteric stuff like PAPR powered breathing units. While I am not a medical professional, I have many in my family who are, including pulmonologists - the ones who have the job of getting like 2 inches away from covid patients' mouths during intubation (which is part of the process of putting someone on a ventilator). during the bad months in NY, when gear was hard to get for everyone, he used an N95 with an ASTM3 surgical on top under an industrial ANSI face shield (which I had sent him from the equipment bin in my garage workshop). Other doctors used these elastomerics, and in fact the National Geographic issue during that time had a photo of a doctor wearing one [natgeofe.com] (that is a full mask instead of a half mask respirator, and the filters are also p100 but with spray shields which do not increase protection but help the filters last longer).

I would expect that a single elastomeric half mask and a single pair of filters will last the average person working the average job for many months with minimal care. they are designed to be really tough and durable (think asbestos mitigation construction workers).
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Last edited by duenor July 30, 2021 at 08:46 PM.
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Quote from TalentedLeopard7376 :
If you're debating about whether you should buy a respirator right now, go ahead and do it. Respiratory protection is underrated.
The only bad thing with respirators is that they have an exhale valve.. if you have COVID and use a respirator then you spread the virus.. that's why respirators fell out of favor and can't be used in planes..
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#14
this is a good deal, and i hate to be that guy, but you can get a 3m 6200 with 2091 p100 filter cartridges all day everyday on ebay for $21.99

https://www.ebay.com/itm/3M-6200-...632-2357-0

made the mistake of buying one off amazon the last time someone posted it on here, came without filter cartridges. bought some 7093 cartridges from a hardware store for $19.99 then i realized for my case use (i have dog allergies and i'm using this to wear in the house because i sweat a lot while working out etc and regular n95 masks get soaked and i breatheable, just recently learned about respirators) i only need the much lighter weight 2091's. hopefully i can return both and get the ebay one, or this one
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Quote from duenor :
For spraying I just use disposable paper filters, cheap KN95 will do. Typically (at least the way I do it) I don't create a whole lot of aerosol. But sanding, that is where the real danger is, esp lead paint or suspected lead paint. for that I use the good old standby P100... been using those for almost 20 years I think, and when I did not have a lot of money I reused the same set of filters for months on end. meanwhile, the clever guys at work "saved" a whole lot of money... a whopping $10 for the filters and $20 for the mask... by simply going without. I got chuckled at a lot but now that we are all in our 40s ....

What about for spraying automotive paint?
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