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forum thread Posted by duenor • Jul 30, 2021
forum thread Posted by duenor • Jul 30, 2021

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

$9.90

$15

34% off
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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
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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

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22 Comments

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Jul 30, 2021
6,932 Posts
Joined Oct 2013
Jul 30, 2021
ThisAintADeal
Jul 30, 2021
6,932 Posts
Damn these look like great deals. I remember paying almost $50 for 4 P100 filters.🤣
1
Jul 30, 2021
199 Posts
Joined Dec 2014
Jul 30, 2021
darthkenobi
Jul 30, 2021
199 Posts
This is good, is that site legit?
Jul 30, 2021
49 Posts
Joined Jun 2012
Jul 30, 2021
Biggie898
Jul 30, 2021
49 Posts
Quote from darthkenobi :
This is good, is that site legit?
4.7 out of 5 on TrustPilot. Seems legit
Jul 30, 2021
551 Posts
Joined Dec 2011
Jul 30, 2021
natarajanj
Jul 30, 2021
551 Posts
how many uses can a filter last ?
Jul 30, 2021
91 Posts
Joined Apr 2011
Jul 30, 2021
diredesire
Jul 30, 2021
91 Posts
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.
1
Jul 30, 2021
288 Posts
Joined Sep 2018
Jul 30, 2021
1200mk
Jul 30, 2021
288 Posts
Which one to get covid uses? What about home improvement?
1
Jul 30, 2021
3,257 Posts
Joined Mar 2006

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Jul 30, 2021
7 Posts
Joined Jan 2018
Jul 30, 2021
TalentedLeopard7376
Jul 30, 2021
7 Posts
If you're debating about whether you should buy a respirator right now, go ahead and do it. Respiratory protection is underrated.
Jul 31, 2021
302 Posts
Joined Feb 2019
Jul 31, 2021
TalentedAlpaca1553
Jul 31, 2021
302 Posts
What's the best filter for spraying paint?
Original Poster
Jul 31, 2021
3,990 Posts
Joined Dec 2009
Jul 31, 2021
duenor
Original Poster
Jul 31, 2021
3,990 Posts
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 ....
Original Poster
Jul 31, 2021
3,990 Posts
Joined Dec 2009
Jul 31, 2021
duenor
Original Poster
Jul 31, 2021
3,990 Posts
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).
Last edited by duenor July 30, 2021 at 08:46 PM.
Jul 31, 2021
88 Posts
Joined Nov 2017
Jul 31, 2021
TosoPoly
Jul 31, 2021
88 Posts
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..
Jul 31, 2021
634 Posts
Joined May 2013
Jul 31, 2021
ChiragC
Jul 31, 2021
634 Posts
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
Jul 31, 2021
4,613 Posts
Joined Mar 2010
Jul 31, 2021
firelikeiya
Jul 31, 2021
4,613 Posts
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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Jul 31, 2021
45 Posts
Joined Dec 2011
Jul 31, 2021
ryanjg11
Jul 31, 2021
45 Posts

Our community has rated this post as helpful. If you agree, why not thank ryanjg11

Quote from firelikeiya :
What about for spraying automotive paint?
For full-on spraying in a booth or enclosed environment, you definetely want to use a full-blown organic vapor cartridge and not a P100. Something like a 3M 6001 [3m.com]. The P100 2297 filter with nuisance-level organic vapor protection is fine for quick rattle-can spraying outside, on a small part, but I always wear the 3M full-face respirator with 6001 organic vapor cartridges when I'm doing larger jobs, or anything indoors where the odor will linger.

One benefit of the P100s is they can be used pretty much until you can't breathe through them. And they don't need to be put in a sealed bag when not in use to extend life. The 3M 6001 organic vapor cartridges, on the other hand, can go bad simply by being left in open air for extended periods of time, so one trick to getting more life out of them is to remove and place into a ziploc bag when not in use.
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